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Changelog

Items starting with DEPRECATE are important deprecation notices. For more information on the list of deprecated flags and APIs please have a look at https://docs.docker.com/engine/deprecated/ where target removal dates can also be found.

1.13.0 (2016-12-08)

IMPORTANT: In Docker 1.13, the managed plugin api changed, as compared to the experimental version introduced in Docker 1.12. You must uninstall plugins which you installed with Docker 1.12 before upgrading to Docker 1.13. You can uninstall plugins using the docker plugin rm command.

If you have already upgraded to Docker 1.13 without uninstalling previously-installed plugins, you may see this message when the Docker daemon starts:

Error starting daemon: json: cannot unmarshal string into Go value of type types.PluginEnv

To manually remove all plugins and resolve this problem, take the following steps:

Remove plugins.json from: /var/lib/docker/plugins/.
Restart Docker. Verify that the Docker daemon starts with no errors.
Reinstall your plugins.

Builder

Add capability to specify images used as a cache source on build. These images do not need to have local parent chain and can be pulled from other registries #26839
(experimental) Add option to squash image layers to the FROM image after successful builds #22641

Fix dockerfile parser with empty line after escape #24725

Add step number on docker build #24978

Add support for compressing build context during image build #25837
add --network to docker build #27702

Fix inconsistent behavior between --label flag on docker build and docker run #26027
Fix image layer inconsistencies when using the overlay storage driver #27209

Unused build-args are now allowed. A warning is presented instead of an error and failed build #27412

Fix builder cache issue on Windows #27805

Contrib

Add support for building docker debs for Ubuntu Xenial on PPC64 #23438
Add support for building docker debs for Ubuntu Xenial on s390x #26104

Add RPM builder for VMWare Photon OS #24116

Add shell completions to tgz #27735

Update the install script to allow using the mirror in China #27005

Add DEB builder for Ubuntu 16.10 Yakkety Yak #27993
Add RPM builder for Fedora 25 #28222

Distribution

Update notary dependency to 0.4.2 (full changelogs here) #27074
- Support for compilation on windows docker/notary#970
- Improved error messages for client authentication errors docker/notary#972
- Support for finding keys that are anywhere in the ~/.docker/trust/private directory, not just under ~/.docker/trust/private/root_keys or ~/.docker/trust/private/tuf_keys docker/notary#981
- Previously, on any error updating, the client would fall back on the cache. Now we only do so if there is a network error or if the server is unavailable or missing the TUF data. Invalid TUF data will cause the update to fail - for example if there was an invalid root rotation. docker/notary#982
- Improve root validation and yubikey debug logging docker/notary#858 docker/notary#891
- Warn if certificates for root or delegations are near expiry docker/notary#802
- Warn if role metadata is near expiry docker/notary#786
- Fix passphrase retrieval attempt counting and terminal detection docker/notary#906

Avoid unnecessary blob uploads when different users push same layers to authenticated registry #26564

Allow external storage for registry credentials #26354

Logging

Standardize the default logging tag value in all logging drivers #22911

Improve performance and memory use when logging of long log lines #22982

Enable syslog driver for windows #25736
Add Logentries Driver #27471
Update of AWS log driver to support tags #27707
Unix socket support for fluentd #26088

Enable fluentd logging driver on Windows #28189

Sanitize docker labels when used as journald field names #23725

Networking

Add --attachable network support to enable docker run to work in swarm-mode overlay network #25962
Add support for host port PublishMode in services using the --publish option in docker service create #27917 and #28943
Add support for Windows server 2016 overlay network driver (requires upcoming ws2016 update) #28182

Change the default FORWARD policy to DROP #28257

Add support for specifying static IP addresses for predefined network on windows #22208

Fix --publish flag on docker run not working with IPv6 addresses #27860
Fix inspect network show gateway with mask #25564
Fix an issue where multiple addresses in a bridge may cause --fixed-cidr to not have the correct addresses #26659

Add creation timestamp to docker network inspect #26130

Show peer nodes in docker network inspect for swarm overlay networks #28078
Enable ping for service VIP address #28019

Plugins

Move plugins out of experimental #28226
Add --force on docker plugin remove #25096

Add support for dynamically reloading authorization plugins #22770

Add description in docker plugin ls #25556
Add -f/--format to docker plugin inspect #25990
Add docker plugin create command #28164

Send request's TLS peer certificates to authorization plugins #27383
Support for global-scoped network and ipam plugins in swarm-mode #27287

Remote API (v1.25) & Client

Support docker stack deploy from a Compose file #27998
(experimental) Implement checkpoint and restore #22049
Add --format flag to docker info #23808

Remove --name from docker volume create #23830

Add docker stack ls #23886
Add a new is-task ps filter #24411
Add --env-file flag to docker service create #24844
Add --format on docker stats #24987
Make docker node ps default to self in swarm node #25214
Add --group in docker service create #25317
Add --no-trunc to service/node/stack ps output #25337
Add Logs to ContainerAttachOptions so go clients can request to retrieve container logs as part of the attach process #26718
Allow client to talk to an older server #27745

Inform user client-side that a container removal is in progress #26074

Add Isolation to the /info endpoint #26255
Add userns to the /info endpoint #27840

Do not allow more than one mode be requested at once in the services endpoint #26643

Add capability to /containers/create API to specify mounts in a more granular and safer way #22373
Add --format flag to network ls and volume ls #23475

Allow the top-level docker inspect command to inspect any kind of resource #23614

Allow unsetting the --entrypoint in docker run or docker create #23718

Restructure CLI commands by adding docker image and docker container commands for more consistency #26025

Remove COMMAND column from service ls output #28029

Add --format to docker events #26268

Allow specifying multiple nodes on docker node ps #26299
Restrict fractional digits to 2 decimals in docker images output #26303

Add --dns-option to docker run #28186
Add Image ID to container commit event #28128
Add external binaries version to docker info #27955
Add information for Manager Addresses in the output of docker info #28042
Add a new reference filter for docker images #27872

Runtime

Add --experimental daemon flag to enable experimental features, instead of shipping them in a separate build #27223
Add a --shutdown-timeout daemon flag to specify the default timeout (in seconds) to stop containers gracefully before daemon exit #23036
Add --stop-timeout to specify the timeout value (in seconds) for individual containers to stop #22566
Add a new daemon flag --userland-proxy-path to allow configuring the userland proxy instead of using the hardcoded docker-proxy from $PATH #26882
Add boolean flag --init on dockerd and on docker run to use tini a zombie-reaping init process as PID 1 #26061 #28037
Add a new daemon flag --init-path to allow configuring the path to the docker-init binary #26941
Add support for live reloading insecure registry in configuration #22337
Add support for storage-opt size on Windows daemons #23391

Improve reliability of docker run --rm by moving it from the client to the daemon #20848

Add support for --cpu-rt-period and --cpu-rt-runtime flags, allowing containers to run real-time threads when CONFIG_RT_GROUP_SCHED is enabled in the kernel #23430

Allow parallel stop, pause, unpause #24761 / #26778
Implement XFS quota for overlay2 #24771

Fix partial/full filter issue in service tasks --filter #24850
Allow engine to run inside a user namespace #25672
Fix a race condition between device deferred removal and resume device, when using the devicemapper graphdriver #23497
Add docker stats support in Windows #25737
Allow using --pid=host and --net=host when --userns=host #25771

(experimental) Add metrics output #25820

Fix issue in docker stats with NetworkDisabled=true #25905

Add docker top support in Windows #25891
Record pid of exec'd process #27470
Add support for looking up user/groups via getent #27599
Add new docker system command with df and prune subcommands for system resource management, as well as docker {container,image,volume,network} prune subcommands #26108 #27525 / #27525

Fix an issue where containers could not be stopped or killed by setting xfs max_retries to 0 upon ENOSPC with devicemapper #26212
Fix docker cp failing to copy to a container's volume dir on CentOS with devicemapper #28047

Promote overlay(2) graphdriver #27932

Add --seccomp-profile daemon flag to specify a path to a seccomp profile that overrides the default #26276

Fix ulimits in docker inspect when --default-ulimit is set on daemon #26405
Add workaround for overlay issues during build in older kernels #28138

Add TERM environment variable on docker exec -t #26461

Honor a container’s --stop-signal setting upon docker kill #26464

Swarm Mode

Add secret management #27794

Display the endpoint mode in the output of docker service inspect --pretty #26906
Make docker service ps output more bearable by shortening service IDs in task names #28088
docker node ps now defaults to the current node #25214

Add -a/--all flags to docker service ps and docker node ps to show all results #25983
Add --dns, --dns-opt, and --dns-search to service create. #27567
Add --force to docker service update #27596
Add -q to docker service ps #27654

Display number of global services in docker service ls #27710

Remove --name flag from docker service update. This flag is only functional on docker service create, so was removed from the update command #26988
Fix worker nodes failing to recover because of transient networking issues #26646

Add support for health aware load balancing and DNS records #27279
Add --hostname to docker service create #27857

Add --tty flag to docker service create/update #28076

Autodetect, store, and expose node IP address as seen by the manager #27910
Encryption at rest of manager keys and raft data #27967

Add --update-max-failure-ratio, --update-monitor and --rollback flags to docker service update #26421

Fix an issue with address autodiscovery on docker swarm init running inside a container #26457

(experimental) Add docker service logs command to view logs for a service #28089

Pin images by digest for docker service create and update #28173
Add short (-f) flag for docker node rm --force and docker swarm leave --force #28196

Don't repull image if pinned by digest #28265
swarm-mode support for Windows #27838

Volume

Add support for labels on volumes #21270
Add support for filtering volumes by label #25628

Add a --force flag in docker volume rm to forcefully purge the data of the volume that has already been deleted #23436
Enhance docker volume inspect to show all options used when creating the volume #26671
Add support for local NFS volumes to resolve hostnames #27329

Security

Fix selinux labeling of volumes shared in a container #23024
Prohibit /sys/firmware/** from being accessed with apparmor #26618

DEPRECATION

Marked the docker daemon command as deprecated. The daemon is moved to a separate binary (dockerd), and should be used instead #26834
Deprecate unversioned API endpoints #28208
Remove Ubuntu 15.10 (Wily Werewolf) as supported platform. Ubuntu 15.10 is EOL, and no longer receives updates #27042
Remove Fedora 22 as supported platform. Fedora 22 is EOL, and no longer receives updates #27432
Deprecate the repo:shortid syntax on docker pull #27207
Deprecate backing filesystem without d_type for overlay/overlay2 storage drivers #27433
Deprecate MAINTAINER in Dockerfile #25466
Deprecated filter param for endpoint /images/json #27872

1.12.6 (2017-01-10)

IMPORTANT: Docker 1.12 ships with an updated systemd unit file for rpm based installs (which includes RHEL, Fedora, CentOS, and Oracle Linux 7). When upgrading from an older version of docker, the upgrade process may not automatically install the updated version of the unit file, or fail to start the docker service if;

the systemd unit file (/usr/lib/systemd/system/docker.service) contains local changes, or
a systemd drop-in file is present, and contains -H fd:// in the ExecStart directive

Starting the docker service will produce an error:

Failed to start docker.service: Unit docker.socket failed to load: No such file or directory.

no sockets found via socket activation: make sure the service was started by systemd.

To resolve this:

Backup the current version of the unit file, and replace the file with the version that ships with docker 1.12
Remove the Requires=docker.socket directive from the /usr/lib/systemd/system/docker.service file if present
Remove -H fd:// from the ExecStart directive (both in the main unit file, and in any drop-in files present).

After making those changes, run sudo systemctl daemon-reload, and sudo systemctl restart docker to reload changes and (re)start the docker daemon.

NOTE: Docker 1.12.5 will correctly validate that either an IPv6 subnet is provided or that the IPAM driver can provide one when you specify the --ipv6 option.

If you are currently using the --ipv6 option without specifying the --fixed-cidr-v6 option, the Docker daemon will refuse to start with the following message:

Error starting daemon: Error initializing network controller: Error creating
                       default "bridge" network: failed to parse pool request
                       for address space "LocalDefault" pool " subpool ":
                       could not find an available, non-overlapping IPv6 address
                       pool among the defaults to assign to the network

To resolve this error, either remove the --ipv6 flag (to preserve the same behavior as in Docker 1.12.3 and earlier), or provide an IPv6 subnet as the value of the --fixed-cidr-v6 flag.

In a similar way, if you specify the --ipv6 flag when creating a network with the default IPAM driver, without providing an IPv6 --subnet, network creation will fail with the following message:

Error response from daemon: failed to parse pool request for address space
                            "LocalDefault" pool "" subpool "": could not find an
                            available, non-overlapping IPv6 address pool among
                            the defaults to assign to the network

To resolve this, either remove the --ipv6 flag (to preserve the same behavior as in Docker 1.12.3 and earlier), or provide an IPv6 subnet as the value of the --subnet flag.

The network network creation will instead succeed if you use an external IPAM driver which supports automatic allocation of IPv6 subnets.

Runtime

Fix runC privilege escalation (CVE-2016-9962)

1.12.5 (2016-12-15)

the systemd unit file (/usr/lib/systemd/system/docker.service) contains local changes, or
a systemd drop-in file is present, and contains -H fd:// in the ExecStart directive

Starting the docker service will produce an error:

Failed to start docker.service: Unit docker.socket failed to load: No such file or directory.

no sockets found via socket activation: make sure the service was started by systemd.

To resolve this:

Backup the current version of the unit file, and replace the file with the version that ships with docker 1.12
Remove the Requires=docker.socket directive from the /usr/lib/systemd/system/docker.service file if present
Remove -H fd:// from the ExecStart directive (both in the main unit file, and in any drop-in files present).

After making those changes, run sudo systemctl daemon-reload, and sudo systemctl restart docker to reload changes and (re)start the docker daemon.

NOTE: Docker 1.12.5 will correctly validate that either an IPv6 subnet is provided or that the IPAM driver can provide one when you specify the --ipv6 option.

If you are currently using the --ipv6 option without specifying the --fixed-cidr-v6 option, the Docker daemon will refuse to start with the following message:

Error starting daemon: Error initializing network controller: Error creating
                       default "bridge" network: failed to parse pool request
                       for address space "LocalDefault" pool " subpool ":
                       could not find an available, non-overlapping IPv6 address
                       pool among the defaults to assign to the network

To resolve this error, either remove the --ipv6 flag (to preserve the same behavior as in Docker 1.12.3 and earlier), or provide an IPv6 subnet as the value of the --fixed-cidr-v6 flag.

In a similar way, if you specify the --ipv6 flag when creating a network with the default IPAM driver, without providing an IPv6 --subnet, network creation will fail with the following message:

Error response from daemon: failed to parse pool request for address space
                            "LocalDefault" pool "" subpool "": could not find an
                            available, non-overlapping IPv6 address pool among
                            the defaults to assign to the network

To resolve this, either remove the --ipv6 flag (to preserve the same behavior as in Docker 1.12.3 and earlier), or provide an IPv6 subnet as the value of the --subnet flag.

The network network creation will instead succeed if you use an external IPAM driver which supports automatic allocation of IPv6 subnets.

Runtime

Fix race on sending stdin close event #29424

Networking

Fix panic in docker network ls when a network was created with --ipv6 and no ipv6 --subnet in older docker versions #29416

Contrib

Fix compilation on Darwin #29370

1.12.4 (2016-12-12)

the systemd unit file (/usr/lib/systemd/system/docker.service) contains local changes, or
a systemd drop-in file is present, and contains -H fd:// in the ExecStart directive

Starting the docker service will produce an error:

Failed to start docker.service: Unit docker.socket failed to load: No such file or directory.

no sockets found via socket activation: make sure the service was started by systemd.

To resolve this:

Backup the current version of the unit file, and replace the file with the version that ships with docker 1.12
Remove the Requires=docker.socket directive from the /usr/lib/systemd/system/docker.service file if present
Remove -H fd:// from the ExecStart directive (both in the main unit file, and in any drop-in files present).

After making those changes, run sudo systemctl daemon-reload, and sudo systemctl restart docker to reload changes and (re)start the docker daemon.

Runtime

Fix issue where volume metadata was not removed #29083
Asynchronously close streams to prevent holding container lock #29050
Fix selinux labels for newly created container volumes #29050
Remove hostname validation #28990
Fix deadlocks caused by IO races #29095 #29141
Return an empty stats if the container is restarting #29150
Fix volume store locking #29151
Ensure consistent status code in API #29150
Fix incorrect opaque directory permission in overlay2 #29093
Detect plugin content and error out on docker pull #29297

Swarm Mode

Update Swarmkit #29047
- orchestrator/global: Fix deadlock on updates docker/swarmkit#1760
- on leader switchover preserve the vxlan id for existing networks docker/swarmkit#1773

Refuse swarm spec not named "default" #29152

Networking

Update libnetwork #29004 #29146
- Fix panic in embedded DNS docker/libnetwork#1561
- Fix unmarhalling panic when passing --link-local-ip on global scope network docker/libnetwork#1564
- Fix panic when network plugin returns nil StaticRoutes docker/libnetwork#1563
- Fix panic in osl.(*networkNamespace).DeleteNeighbor docker/libnetwork#1555
- Fix panic in swarm networking concurrent map read/write docker/libnetwork#1570
- Allow encrypted networks when running docker inside a container docker/libnetwork#1502
- Do not block autoallocation of IPv6 pool docker/libnetwork#1538
- Set timeout for netlink calls docker/libnetwork#1557
- Increase networking local store timeout to one minute docker/libkv#140
- Fix a panic in libnetwork.(*sandbox).execFunc docker/libnetwork#1556
- Honor icc=false for internal networks docker/libnetwork#1525

Logging

Update syslog log driver #29150

Contrib

Run "dnf upgrade" before installing in fedora #29150
Add build-date back to RPM packages #29150
deb package filename changed to include distro to distinguish between distro code names #27829

1.12.3 (2016-10-26)

the systemd unit file (/usr/lib/systemd/system/docker.service) contains local changes, or
a systemd drop-in file is present, and contains -H fd:// in the ExecStart directive

Starting the docker service will produce an error:

Failed to start docker.service: Unit docker.socket failed to load: No such file or directory.

no sockets found via socket activation: make sure the service was started by systemd.

To resolve this:

Backup the current version of the unit file, and replace the file with the version that ships with docker 1.12
Remove the Requires=docker.socket directive from the /usr/lib/systemd/system/docker.service file if present
Remove -H fd:// from the ExecStart directive (both in the main unit file, and in any drop-in files present).

After making those changes, run sudo systemctl daemon-reload, and sudo systemctl restart docker to reload changes and (re)start the docker daemon.

Runtime

Fix ambient capability usage in containers (CVE-2016-8867) #27610
Prevent a deadlock in libcontainerd for Windows #27136
Fix error reporting in CopyFileWithTar #27075

Reset health status to starting when a container is restarted #27387
Properly handle shared mount propagation in storage directory #27609

Fix docker exec #27610
Fix backward compatibility with containerd’s events log #27693

Swarm Mode

Fix conversion of restart-policy #27062

Update Swarmkit #27554
Avoid restarting a task that has already been restarted docker/swarmkit#1305
Allow duplicate published ports when they use different protocols docker/swarmkit#1632
Allow multiple randomly assigned published ports on service docker/swarmkit#1657

Fix panic when allocations happen at init time docker/swarmkit#1651

Networking

Update libnetwork #27559

Fix race in serializing sandbox to string docker/libnetwork#1495
Fix race during deletion docker/libnetwork#1503

Reset endpoint port info on connectivity revoke in bridge driver docker/libnetwork#1504

Fix a deadlock in networking code docker/libnetwork#1507
Fix a race in load balancer state docker/libnetwork#1512

Logging

Update fluent-logger-golang to v1.2.1 #27474

Contrib

Update buildtags for armhf ubuntu-trusty #27327
Add AppArmor to runc buildtags for armhf #27421

1.12.2 (2016-10-11)

the systemd unit file (/usr/lib/systemd/system/docker.service) contains local changes, or
a systemd drop-in file is present, and contains -H fd:// in the ExecStart directive

Starting the docker service will produce an error:

Failed to start docker.service: Unit docker.socket failed to load: No such file or directory.

no sockets found via socket activation: make sure the service was started by systemd.

To resolve this:

Backup the current version of the unit file, and replace the file with the version that ships with docker 1.12
Remove the Requires=docker.socket directive from the /usr/lib/systemd/system/docker.service file if present
Remove -H fd:// from the ExecStart directive (both in the main unit file, and in any drop-in files present).

After making those changes, run sudo systemctl daemon-reload, and sudo systemctl restart docker to reload changes and (re)start the docker daemon.

Runtime

Fix a panic due to a race condition filtering docker ps #26049

Implement retry logic to prevent "Unable to remove filesystem" errors when using the aufs storage driver #26536
Prevent devicemapper from removing device symlinks if dm.use_deferred_removal is enabled #24740

Fix an issue where the CLI did not return correct exit codes if a command was run with invalid options #26777
Fix a panic due to a bug in stdout / stderr processing in health checks #26507
Fix exec's children handling #26874
Fix exec form of HEALTHCHECK CMD #26208

Networking

Fix a daemon start panic on armv5 #24315

Vendor libnetwork #26879 #26953
Avoid returning early on agent join failures docker/libnetwork#1473

Fix service published port cleanup issues docker/libetwork#1432 docker/libnetwork#1433

Recover properly from transient gossip failures docker/libnetwork#1446
Disambiguate node names known to gossip cluster to avoid node name collision docker/libnetwork#1451
Honor user provided listen address for gossip docker/libnetwork#1460
Allow reachability via published port across services on the same host docker/libnetwork#1398
Change the ingress sandbox name from random id to just ingress_sbox docker/libnetwork#1449

Disable service discovery in ingress network docker/libnetwork#1489

Swarm Mode

Fix remote detection of a node's address when it joins the cluster #26211
Vendor SwarmKit #26765
Bounce session after failed status update docker/swarmkit#1539

Fix possible raft deadlocks docker/swarmkit#1537
Fix panic and endpoint leak when a service is updated with no endpoints docker/swarmkit#1481

Produce an error if the same port is published twice on service create or service update docker/swarmkit#1495

Fix an issue where changes to a service were not detected, resulting in the service not being updated docker/swarmkit#1497
Do not allow service creation on ingress network docker/swarmkit#1600

Contrib

Update the debian sysv-init script to use dockerd instead of docker daemon #25869
Improve stability when running the docker client on MacOS Sierra #26875

Fix installation on debian stretch #27184

Windows

Fix an issue where arrow-navigation did not work when running the docker client in ConEmu #25578

1.12.1 (2016-08-18)

the systemd unit file (/usr/lib/systemd/system/docker.service) contains local changes, or
a systemd drop-in file is present, and contains -H fd:// in the ExecStart directive

Starting the docker service will produce an error:

Failed to start docker.service: Unit docker.socket failed to load: No such file or directory.

no sockets found via socket activation: make sure the service was started by systemd.

To resolve this:

Backup the current version of the unit file, and replace the file with the version that ships with docker 1.12
Remove the Requires=docker.socket directive from the /usr/lib/systemd/system/docker.service file if present
Remove -H fd:// from the ExecStart directive (both in the main unit file, and in any drop-in files present).

After making those changes, run sudo systemctl daemon-reload, and sudo systemctl restart docker to reload changes and (re)start the docker daemon.

Client

Add Joined at information in node inspect --pretty #25512

Fix a crash on service inspect #25454
Fix issue preventing service update --env-add to work as intended #25427
Fix issue preventing service update --publish-add to work as intended #25428
Remove service update --network-add and service update --network-rm flags because this feature is not yet implemented in 1.12, but was inadvertently added to the client in 1.12.0 #25646

Contrib

Official ARM installation for Debian Jessie, Ubuntu Trusty, and Raspbian Jessie #24815 #25591

Add selinux policy per distro/version, fixing issue preventing successful installation on Fedora 24, and Oracle Linux #25334 #25593

Networking

Fix issue that prevented containers to be accessed by hostname with Docker overlay driver in Swarm Mode #25603 #25648
Fix random network issues on service with published port #25603
Fix unreliable inter-service communication after scaling down and up #25603
Fix issue where removing all tasks on a node and adding them back breaks connectivity with other services #25603
Fix issue where a task that fails to start results in a race, causing a network xxx not found error that masks the actual error #25550
Relax validation of SRV records for external services that use SRV records not formatted according to RFC 2782 #25739

Plugins (experimental)

Make daemon events listen for plugin lifecycle events #24760
Check for plugin state before enabling plugin #25033

Remove plugin root from filesystem on plugin rm #25187
Prevent deadlock when more than one plugin is installed #25384

Runtime

Mask join tokens in daemon logs #25346

Fix docker ps --filter causing the results to no longer be sorted by creation time #25387
Fix various crashes #25053

Security

Add /proc/timer_list to the masked paths list to prevent information leak from the host #25630
Allow systemd to run with only --cap-add SYS_ADMIN rather than having to also add --cap-add DAC_READ_SEARCH or disabling seccomp filtering #25567

Swarm

Fix an issue where the swarm can get stuck electing a new leader after quorum is lost #25055
Fix unwanted rescheduling of containers after a leader failover #25017
Change swarm root CA key to P256 curve swarmkit#1376
Allow forced removal of a node from a swarm #25159
Fix connection leak when a node leaves a swarm swarmkit/#1277
Backdate swarm certificates by one hour to tolerate more clock skew swarmkit/#1243
Avoid high CPU use with many unschedulable tasks swarmkit/#1287
Fix issue with global tasks not starting up swarmkit/#1295
Garbage collect raft logs swarmkit/#1327

Volume

Persist local volume options after a daemon restart #25316
Fix an issue where the mount ID was not returned on volume unmount #25333
Fix an issue where a volume mount could inadvertently create a bind mount #25309
docker service create --mount type=bind,... now correctly validates if the source path exists, instead of creating it #25494

1.12.0 (2016-07-28)

IMPORTANT: Docker 1.12.0 ships with an updated systemd unit file for rpm based installs (which includes RHEL, Fedora, CentOS, and Oracle Linux 7). When upgrading from an older version of docker, the upgrade process may not automatically install the updated version of the unit file, or fail to start the docker service if;

the systemd unit file (/usr/lib/systemd/system/docker.service) contains local changes, or
a systemd drop-in file is present, and contains -H fd:// in the ExecStart directive

Starting the docker service will produce an error:

Failed to start docker.service: Unit docker.socket failed to load: No such file or directory.

no sockets found via socket activation: make sure the service was started by systemd.

To resolve this:

Backup the current version of the unit file, and replace the file with the version that ships with docker 1.12
Remove the Requires=docker.socket directive from the /usr/lib/systemd/system/docker.service file if present
Remove -H fd:// from the ExecStart directive (both in the main unit file, and in any drop-in files present).

After making those changes, run sudo systemctl daemon-reload, and sudo systemctl restart docker to reload changes and (re)start the docker daemon.

IMPORTANT: With Docker 1.12, a Linux docker installation now has two additional binaries; dockerd, and docker-proxy. If you have scripts for installing docker, please make sure to update them accordingly.

Builder

New HEALTHCHECK Dockerfile instruction to support user-defined healthchecks #23218
New SHELL Dockerfile instruction to specify the default shell when using the shell form for commands in a Dockerfile #22489
Add #escape= Dockerfile directive to support platform-specific parsing of file paths in Dockerfile #22268
Add support for comments in .dockerignore #23111

Support for UTF-8 in Dockerfiles #23372
Skip UTF-8 BOM bytes from Dockerfile and .dockerignore if exist #23234
Windows: support for ARG to match Linux #22508

Fix error message when building using a daemon with the bridge network disabled #22932

Contrib

Enable seccomp for Centos 7 and Oracle Linux 7 #22344

Remove MountFlags in systemd unit to allow shared mount propagation #22806

Distribution

Add --max-concurrent-downloads and --max-concurrent-uploads daemon flags useful for situations where network connections don't support multiple downloads/uploads #22445

Registry operations now honor the ALL_PROXY environment variable #22316
Provide more information to the user on docker load #23377
Always save registry digest metadata about images pushed and pulled #23996

Logging

Syslog logging driver now supports DGRAM sockets #21613
Add --details option to docker logs to also display log tags #21889
Enable syslog logger to have access to env and labels #21724
An additional syslog-format option rfc5424micro to allow microsecond resolution in syslog timestamp #21844

Inherit the daemon log options when creating containers #21153
Remove docker/ prefix from log messages tag and replace it with {{.DaemonName}} so that users have the option of changing the prefix #22384

Networking

Built-in Virtual-IP based internal and ingress load-balancing using IPVS #23361
Routing Mesh using ingress overlay network #23361
Secured multi-host overlay networking using encrypted control-plane and Data-plane #23361
MacVlan driver is out of experimental #23524
Add driver filter to network ls #22319
Adding network filter to docker ps --filter #23300
Add --link-local-ip flag to create, run and network connect to specify a container's link-local address #23415
Add network label filter support #21495

Removed dependency on external KV-Store for Overlay networking in Swarm-Mode #23361
Add container's short-id as default network alias #21901
run options --dns and --net=host are no longer mutually exclusive #22408

Fix DNS issue when renaming containers with generated names #22716
Allow both network inspect -f {{.Id}} and network inspect -f {{.ID}} to address inconsistency with inspect output #23226

Plugins (experimental)

New plugin command to manager plugins with install, enable, disable, rm, inspect, set subcommands #23446

Remote API (v1.24) & Client

Split the binary into two: docker (client) and dockerd (daemon) #20639
Add before and since filters to docker images --filter #22908
Add --limit option to docker search #23107
Add --filter option to docker search #22369
Add security options to docker info output #21172 #23520
Add insecure registries to docker info output #20410
Extend Docker authorization with TLS user information #21556
devicemapper: expose Mininum Thin Pool Free Space through docker info #21945

API now returns a JSON object when an error occurs making it more consistent #22880

Prevent docker run -i --restart from hanging on exit #22777
Fix API/CLI discrepancy on hostname validation #21641
Fix discrepancy in the format of sizes in stats from HumanSize to BytesSize #21773
authz: when request is denied return forbbiden exit code (403) #22448
Windows: fix tty-related displaying issues #23878

Runtime

Split the userland proxy to a separate binary (docker-proxy) #23312
Add --live-restore daemon flag to keep containers running when daemon shuts down, and regain control on startup #23213
Ability to add OCI-compatible runtimes (via --add-runtime daemon flag) and select one with --runtime on create and run #22983
New overlay2 graphdriver for Linux 4.0+ with multiple lower directory support #22126
New load/save image events #22137
Add support for reloading daemon configuration through systemd #22446
Add disk quota support for btrfs #19651
Add disk quota support for zfs #21946
Add support for docker run --pid=container:<id> #22481
Align default seccomp profile with selected capabilities #22554
Add a daemon reload event when the daemon reloads its configuration #22590
Add trace capability in the pprof profiler to show execution traces in binary form #22715
Add a detach event #22898
Add support for setting sysctls with --sysctl #19265
Add --storage-opt flag to create and run allowing to set size on devicemapper #19367
Add --oom-score-adjust daemon flag with a default value of -500 making the daemon less likely to be killed before containers #24516

Undeprecate the -c short alias of --cpu-shares on run, build, create, update #22621
Prevent from using aufs and overlay graphdrivers on an eCryptfs mount #23121

Fix issues with tmpfs mount ordering #22329
Created containers are no longer listed on docker ps -a -f exited=0 #21947
Fix an issue where containers are stuck in a "Removal In Progress" state #22423
Fix bug that was returning an HTTP 500 instead of a 400 when not specifying a command on run/create #22762
Fix bug with --detach-keys whereby input matching a prefix of the detach key was not preserved #22943
SELinux labeling is now disabled when using --privileged mode #22993
If volume-mounted into a container, /etc/hosts, /etc/resolv.conf, /etc/hostname are no longer SELinux-relabeled #22993
Fix inconsistency in --tmpfs behavior regarding mount options #22438
Fix an issue where daemon hangs at startup #23148
Ignore SIGPIPE events to prevent journald restarts to crash docker in some cases #22460
Containers are not removed from stats list on error #20835
Fix on-failure restart policy when daemon restarts #20853
Fix an issue with stats when a container is using another container's network #21904

Swarm Mode

New swarm command to manage swarms with init, join, join-token, leave, update subcommands #23361 #24823
New service command to manage swarm-wide services with create, inspect, update, rm, ps subcommands #23361 #25140
New node command to manage nodes with accept, promote, demote, inspect, update, ps, ls and rm subcommands #23361 #25140
(experimental) New stack and deploy commands to manage and deploy multi-service applications #23522 #25140

Volume

Add support for local and global volume scopes (analogous to network scopes) #22077
Allow volume drivers to provide a Status field #21006
Add name/driver filter support for volume #21361

Mount/Unmount operations now receives an opaque ID to allow volume drivers to differentiate between two callers #21015

Fix issue preventing to remove a volume in a corner case #22103
Windows: Enable auto-creation of host-path to match Linux #22094

DEPRECATION

Environment variables DOCKER_CONTENT_TRUST_OFFLINE_PASSPHRASE and DOCKER_CONTENT_TRUST_TAGGING_PASSPHRASE have been renamed to DOCKER_CONTENT_TRUST_ROOT_PASSPHRASE and DOCKER_CONTENT_TRUST_REPOSITORY_PASSPHRASE respectively #22574
Remove deprecated syslog-tag, gelf-tag, fluentd-tag log option in favor of the more generic tag one #22620
Remove deprecated feature of passing HostConfig at API container start #22570
Remove deprecated -f/--force flag on docker tag #23090
Remove deprecated /containers/<id|name>/copy endpoint #22149
Remove deprecated docker ps flags --since and --before #22138
Deprecate the old 3-args form of docker import #23273

1.11.2 (2016-05-31)

Networking

Fix a stale endpoint issue on overlay networks during ungraceful restart (#23015)
Fix an issue where the wrong port could be reported by docker inspect/ps/port (#22997)

Runtime

Fix a potential panic when running docker build (#23032)
Fix interpretation of --user parameter (#22998)
Fix a bug preventing container statistics to be correctly reported (#22955)
Fix an issue preventing container to be restarted after daemon restart (#22947)
Fix issues when running 32 bit binaries on Ubuntu 16.04 (#22922)
Fix a possible deadlock on image deletion and container attach (#22918)
Fix an issue where containers fail to start after a daemon restart if they depend on a containerized cluster store (#22561)
Fix an issue causing docker ps to hang on CentOS when using devicemapper (#22168, #23067)
Fix a bug preventing to docker exec into a container when using devicemapper (#22168, #23067)

1.11.1 (2016-04-26)

Distribution

Fix schema2 manifest media type to be of type application/vnd.docker.container.image.v1+json (#21949)

Documentation

Add missing API documentation for changes introduced with 1.11.0 (#22048)

Builder

Append label passed to docker build as arguments as an implicit LABEL command at the end of the processed Dockerfile (#22184)

Networking

Fix a panic that would occur when forwarding DNS query (#22261)
Fix an issue where OS threads could end up within an incorrect network namespace when using user defined networks (#22261)

Runtime

Fix a bug preventing labels configuration to be reloaded via the config file (#22299)
Fix a regression where container mounting /var/run would prevent other containers from being removed (#22256)
Fix an issue where it would be impossible to update both memory-swap and memory value together (#22255)
Fix a regression from 1.11.0 where the /auth endpoint would not initialize serveraddress if it is not provided (#22254)
Add missing cleanup of container temporary files when cancelling a schedule restart (#22237)
Remove scary error message when no restart policy is specified (#21993)
Fix a panic that would occur when the plugins were activated via the json spec (#22191)
Fix restart backoff logic to correctly reset delay if container ran for at least 10secs (#22125)
Remove error message when a container restart get cancelled (#22123)
Fix an issue where docker would not correctly clean up after docker exec (#22121)
Fix a panic that could occur when serving concurrent docker stats commands (#22120)`
Revert deprecation of non-existent host directories auto-creation (#22065)
Hide misleading rpc error on daemon shutdown (#22058)

1.11.0 (2016-04-13)

IMPORTANT: With Docker 1.11, a Linux docker installation is now made of 4 binaries (docker, docker-containerd, docker-containerd-shim and docker-runc). If you have scripts relying on docker being a single static binaries, please make sure to update them. Interaction with the daemon stay the same otherwise, the usage of the other binaries should be transparent. A Windows docker installation remains a single binary, docker.exe.

Builder

Fix a bug where Docker would not use the correct uid/gid when processing the WORKDIR command (#21033)
Fix a bug where copy operations with userns would not use the proper uid/gid (#20782, #21162)

Client

Usage of the : separator for security option has been deprecated. = should be used instead (#21232)

The client user agent is now passed to the registry on pull, build, push, login and search operations (#21306, #21373)

Allow setting the Domainname and Hostname separately through the API (#20200)
Docker info will now warn users if it can not detect the kernel version or the operating system (#21128)

Fix an issue where docker stats --no-stream output could be all 0s (#20803)
Fix a bug where some newly started container would not appear in a running docker stats command (#20792)

Post processing is no longer enabled for linux-cgo terminals (#20587)

Values to --hostname are now refused if they do not comply with RFC1123 (#20566)

Docker learned how to use a SOCKS proxy (#20366, #18373)
Docker now supports external credential stores (#20107)

docker ps now supports displaying the list of volumes mounted inside a container (#20017)
docker info now also reports Docker's root directory location (#19986)

Docker now prohibits login in with an empty username (spaces are trimmed) (#19806)

Docker events attributes are now sorted by key (#19761)
docker ps no longer shows exported port for stopped containers (#19483)

Docker now cleans after itself if a save/export command fails (#17849)

Docker load learned how to display a progress bar (#17329, #120078)

Distribution

Fix a panic that occurred when pulling an image with 0 layers (#21222)
Fix a panic that could occur on error while pushing to a registry with a misconfigured token service (#21212)

All first-level delegation roles are now signed when doing a trusted push (#21046)
OAuth support for registries was added (#20970)

docker login now handles token using the implementation found in docker/distribution (#20832)
docker login will no longer prompt for an email (#20565)
Docker will now fallback to registry V1 if no basic auth credentials are available (#20241)
Docker will now try to resume layer download where it left off after a network error/timeout (#19840)

Fix generated manifest mediaType when pushing cross-repository (#19509)
Fix docker requesting additional push credentials when pulling an image if Content Trust is enabled (#20382)

Logging

Fix a race in the journald log driver (#21311)

Docker syslog driver now uses the RFC-5424 format when emitting logs (#20121)
Docker GELF log driver now allows to specify the compression algorithm and level via the gelf-compression-type and gelf-compression-level options (#19831)
Docker daemon learned to output uncolorized logs via the --raw-logs options (#19794)

Docker, on Windows platform, now includes an ETW (Event Tracing in Windows) logging driver named etwlogs (#19689)

Journald log driver learned how to handle tags (#19564)

The fluentd log driver learned the following options: fluentd-address, fluentd-buffer-limit, fluentd-retry-wait, fluentd-max-retries and fluentd-async-connect (#19439)
Docker learned to send log to Google Cloud via the new gcplogs logging driver. (#18766)

Misc

When saving linked images together with docker save a subsequent docker load will correctly restore their parent/child relationship (#21385)
Support for building the Docker cli for OpenBSD was added (#21325)
Labels can now be applied at network, volume and image creation (#21270)

The dockremap is now created as a system user (#21266)

Fix a few response body leaks (#21258)
Docker, when run as a service with systemd, will now properly manage its processes cgroups (#20633)

docker info now reports the value of cgroup KernelMemory or emits a warning if it is not supported (#20863)
docker info now also reports the cgroup driver in use (#20388)
Docker completion is now available on PowerShell (#19894)
dockerinit is no more (#19490,#19851)

Support for building Docker on arm64 was added (#19013)
Experimental support for building docker.exe in a native Windows Docker installation (#18348)

Networking

Fix panic if a node is forcibly removed from the cluster (#21671)
Fix "error creating vxlan interface" when starting a container in a Swarm cluster (#21671)

docker network inspect will now report all endpoints whether they have an active container or not (#21160)

Experimental support for the MacVlan and IPVlan network drivers has been added (#21122)

Output of docker network ls is now sorted by network name (#20383)

Fix a bug where Docker would allow a network to be created with the reserved default name (#19431)

docker network inspect returns whether a network is internal or not (#19357)

Control IPv6 via explicit option when creating a network (docker network create --ipv6). This shows up as a new EnableIPv6 field in docker network inspect (#17513)

Support for AAAA Records (aka IPv6 Service Discovery) in embedded DNS Server (#21396)

Fix to not forward docker domain IPv6 queries to external servers (#21396)

Multiple A/AAAA records from embedded DNS Server for DNS Round robin (#21019)

Fix endpoint count inconsistency after an ungraceful dameon restart (#21261)
Move the ownership of exposed ports and port-mapping options from Endpoint to Sandbox (#21019)
Fixed a bug which prevents docker reload when host is configured with ipv6.disable=1 (#21019)
Added inbuilt nil IPAM driver (#21019)
Fixed bug in iptables.Exists() logic #21019
Fixed a Veth interface leak when using overlay network (#21019)
Fixed a bug which prevents docker reload after a network delete during shutdown (#20214)
Make sure iptables chains are recreated on firewalld reload (#20419)
Allow to pass global datastore during config reload (#20419)
For anonymous containers use the alias name for IP to name mapping, ie:DNS PTR record (#21019)
Fix a panic when deleting an entry from /etc/hosts file (#21019)
Source the forwarded DNS queries from the container net namespace (#21019)
Fix to retain the network internal mode config for bridge networks on daemon reload ([#21780] (https://github.com/docker/docker/pull/21780))
Fix to retain IPAM driver option configs on daemon reload ([#21914] (https://github.com/docker/docker/pull/21914))

Plugins

Fix a file descriptor leak that would occur every time plugins were enumerated (#20686)
Fix an issue where Authz plugin would corrupt the payload body when faced with a large amount of data (#20602)

Runtime

Fix a panic that could occur when cleanup after a container started with invalid parameters (#21716)
Fix a race with event timers stopping early (#21692)
Fix race conditions in the layer store, potentially corrupting the map and crashing the process (#21677)
Un-deprecate auto-creation of host directories for mounts. This feature was marked deprecated in (#21666) Docker 1.9, but was decided to be too much of a backward-incompatible change, so it was decided to keep the feature.

It is now possible for containers to share the NET and IPC namespaces when userns is enabled (#21383)
docker inspect <image-id> will now expose the rootfs layers (#21370)
Docker Windows gained a minimal top implementation (#21354)

Docker learned to report the faulty exe when a container cannot be started due to its condition (#21345)
Docker with device mapper will now refuse to run if udev sync is not available (#21097)

Fix a bug where Docker would not validate the config file upon configuration reload (#21089)
Fix a hang that would happen on attach if initial start was to fail (#21048)
Fix an issue where registry service options in the daemon configuration file were not properly taken into account (#21045)
Fix a race between the exec and resize operations (#21022)
Fix an issue where nanoseconds were not correctly taken in account when filtering Docker events (#21013)
Fix the handling of Docker command when passed a 64 bytes id (#21002)

Docker will now return a 204 (i.e http.StatusNoContent) code when it successfully deleted a network (#20977)

Fix a bug where the daemon would wait indefinitely in case the process it was about to killed had already exited on its own (#20967

The devmapper driver learned the dm.min_free_space option. If the mapped device free space reaches the passed value, new device creation will be prohibited. (#20786)

Docker can now prevent processes in container to gain new privileges via the --security-opt=no-new-privileges flag (#20727)

Starting a container with the --device option will now correctly resolves symlinks (#20684)

Docker now relies on containerd and runc to spawn containers. (#20662)

Fix docker configuration reloading to only alter value present in the given config file (#20604)

Docker now allows setting a container hostname via the --hostname flag when --net=host (#20177)
Docker now allows executing privileged container while running with --userns-remap if both --privileged and the new --userns=host flag are specified (#20111)

Fix Docker not cleaning up correctly old containers upon restarting after a crash (#19679)

Docker will now error out if it doesn't recognize a configuration key within the config file (#19517)

Fix container loading, on daemon startup, when they depends on a plugin running within a container (#19500)

docker update learned how to change a container restart policy (#19116)
docker inspect now also returns a new State field containing the container state in a human readable way (i.e. one of created, restarting, running, paused, exited or dead)(#18966)

Docker learned to limit the number of active pids (i.e. processes) within the container via the pids-limit flags. NOTE: This requires CGROUP_PIDS=y to be in the kernel configuration. (#18697)

docker load now has a --quiet option to suppress the load output (#20078)
Fix a bug in neighbor discovery for IPv6 peers (#20842)
Fix a panic during cleanup if a container was started with invalid options (#21802)
Fix a situation where a container cannot be stopped if the terminal is closed (#21840)

Security

Object with the pcp_pmcd_t selinux type were given management access to /var/lib/docker(/.*)? (#21370)
restart_syscall, copy_file_range, mlock2 joined the list of allowed calls in the default seccomp profile (#21117, #21262)
send, recv and x32 were added to the list of allowed syscalls and arch in the default seccomp profile (#19432)
Docker Content Trust now requests the server to perform snapshot signing (#21046)
Support for using YubiKeys for Content Trust signing has been moved out of experimental (#21591)

Volumes

Output of docker volume ls is now sorted by volume name (#20389)
Local volumes can now accept options similar to the unix mount tool (#20262)

Fix an issue where one letter directory name could not be used as source for volumes (#21106)

docker run -v now accepts a new flag nocopy. This tells the runtime not to copy the container path content into the volume (which is the default behavior) (#21223)

1.10.3 (2016-03-10)

Runtime

Fix Docker client exiting with an "Unrecognized input header" error #20706
Fix Docker exiting if Exec is started with both AttachStdin and Detach #20647

Distribution

Fix a crash when pushing multiple images sharing the same layers to the same repository in parallel #20831
Fix a panic when pushing images to a registry which uses a misconfigured token service #21030

Plugin system

Fix issue preventing volume plugins to start when SELinux is enabled #20834
Prevent Docker from exiting if a volume plugin returns a null response for Get requests #20682
Fix plugin system leaking file descriptors if a plugin has an error #20680

Security

Fix linux32 emulation to fail during docker build #20672 It was due to the personality syscall being blocked by the default seccomp profile.
Fix Oracle XE 10g failing to start in a container #20981 It was due to the ipc syscall being blocked by the default seccomp profile.
Fix user namespaces not working on Linux From Scratch #20685
Fix issue preventing daemon to start if userns is enabled and the subuid or subgid files contain comments #20725

1.10.2 (2016-02-22)

Runtime

Prevent systemd from deleting containers' cgroups when its configuration is reloaded #20518
Fix SELinux issues by disregarding --read-only when mounting /dev/mqueue #20333
Fix chown permissions used during docker cp when userns is used #20446
Fix configuration loading issue with all booleans defaulting to true #20471
Fix occasional panic with docker logs -f #20522

Distribution

Keep layer reference if deletion failed to avoid a badly inconsistent state #20513
Handle gracefully a corner case when canceling migration #20372
Fix docker import on compressed data #20367
Fix tar-split files corruption during migration that later cause docker push and docker save to fail #20458

Networking

Fix daemon crash if embedded DNS is sent garbage #20510

Volumes

Fix issue with multiple volume references with same name #20381

Security

Fix potential cache corruption and delegation conflict issues #20523

1.10.1 (2016-02-11)

Runtime

Do not stop daemon on migration hard failure #20156

Fix various issues with migration to content-addressable images #20058
Fix ZFS permission bug with user namespaces #20045
Do not leak /dev/mqueue from the host to all containers, keep it container-specific #19876 #20133
Fix docker ps --filter before=... to not show stopped containers without providing -a flag #20135

Security

Fix issue preventing docker events to work properly with authorization plugin #20002

Distribution

Add additional verifications and prevent from uploading invalid data to registries #20164

Fix regression preventing uppercase characters in image reference hostname #20175

Networking

Fix embedded DNS for user-defined networks in the presence of firewalld #20060
Fix issue where removing a network during shutdown left Docker inoperable #20181 #20235
Embedded DNS is now able to return compressed results #20181
Fix port-mapping issue with userland-proxy=false #20181

Logging

Fix bug where tcp+tls protocol would be rejected #20109

Volumes

Fix issue whereby older volume drivers would not receive volume options #19983

Misc

Remove TasksMax from Docker systemd service #20167

1.10.0 (2016-02-04)

IMPORTANT: Docker 1.10 uses a new content-addressable storage for images and layers. A migration is performed the first time docker is run, and can take a significant amount of time depending on the number of images present. Refer to this page on the wiki for more information: https://github.com/docker/docker/wiki/Engine-v1.10.0-content-addressability-migration We also released a cool migration utility that enables you to perform the migration before updating to reduce downtime. Engine 1.10 migrator can be found on Docker Hub: https://hub.docker.com/r/docker/v1.10-migrator/

Runtime

New docker update command that allows updating resource constraints on running containers #15078
Add --tmpfs flag to docker run to create a tmpfs mount in a container #13587
Add --format flag to docker images command #17692
Allow to set daemon configuration in a file and hot-reload it with the SIGHUP signal #18587
Updated docker events to include more meta-data and event types #18888 This change is backward compatible in the API, but not on the CLI.
Add --blkio-weight-device flag to docker run #13959
Add --device-read-bps and --device-write-bps flags to docker run #14466
Add --device-read-iops and --device-write-iops flags to docker run #15879
Add --oom-score-adj flag to docker run #16277
Add --detach-keys flag to attach, run, start and exec commands to override the default key sequence that detaches from a container #15666
Add --shm-size flag to run, create and build to set the size of /dev/shm #16168
Show the number of running, stopped, and paused containers in docker info #19249
Show the OSType and Architecture in docker info #17478
Add --cgroup-parent flag on daemon to set cgroup parent for all containers #19062
Add -L flag to docker cp to follow symlinks #16613
New status=dead filter for docker ps #17908

Change docker run exit codes to distinguish between runtime and application errors #14012
Enhance docker events --since and --until to support nanoseconds and timezones #17495
Add --all/-a flag to stats to include both running and stopped containers #16742
Change the default cgroup-driver to cgroupfs #17704
Emit a "tag" event when tagging an image with build -t #17115
Best effort for linked containers' start order when starting the daemon #18208
Add ability to add multiple tags on build #15780
Permit OPTIONS request against any url, thus fixing issue with CORS #19569

Fix the --quiet flag on docker build to actually be quiet #17428
Fix docker images --filter dangling=false to now show all non-dangling images #19326
Fix race condition causing autorestart turning off on restart #17629
Recognize GPFS filesystems #19216
Fix obscure bug preventing to start containers #19751
Forbid exec during container restart #19722
devicemapper: Increasing --storage-opt dm.basesize will now increase the base device size on daemon restart #19123

Security

Add --userns-remap flag to daemon to support user namespaces (previously in experimental) #19187
Add support for custom seccomp profiles in --security-opt #17989
Add default seccomp profile #18780
Add --authorization-plugin flag to daemon to customize ACLs #15365
Docker Content Trust now supports the ability to read and write user delegations #18887 This is an optional, opt-in feature that requires the explicit use of the Notary command-line utility in order to be enabled. Enabling delegation support in a specific repository will break the ability of Docker 1.9 and 1.8 to pull from that repository, if content trust is enabled.

Allow SELinux to run in a container when using the BTRFS storage driver #16452

Distribution

Use content-addressable storage for images and layers #17924 Note that a migration is performed the first time docker is run; it can take a significant amount of time depending on the number of images and containers present. Images no longer depend on the parent chain but contain a list of layer references. docker load/docker save tarballs now also contain content-addressable image configurations. For more information: https://github.com/docker/docker/wiki/Engine-v1.10.0-content-addressability-migration
Add support for the new manifest format ("schema2") #18785
Lots of improvements for push and pull: performance++, retries on failed downloads, cancelling on client disconnect #18353, #18418, #19109, #18353
Limit v1 protocol fallbacks #18590

Fix issue where docker could hang indefinitely waiting for a nonexistent process to pull an image #19743

Networking

Use DNS-based discovery instead of /etc/hosts #19198
Support for network-scoped alias using --net-alias on run and --alias on network connect #19242
Add --ip and --ip6 on run and network connect to support custom IP addresses for a container in a network #19001
Add --ipam-opt to network create for passing custom IPAM options #17316
Add --internal flag to network create to restrict external access to and from the network #19276
Add kv.path option to --cluster-store-opt #19167
Add discovery.heartbeat and discovery.ttl options to --cluster-store-opt to configure discovery TTL and heartbeat timer #18204
Add --format flag to network inspect #17481
Add --link to network connect to provide a container-local alias #19229
Support for Capability exchange with remote IPAM plugins #18775
Add --force to network disconnect to force container to be disconnected from network #19317

Support for multi-host networking using built-in overlay driver for all engine supported kernels: 3.10+ #18775
--link is now supported on docker run for containers in user-defined network #19229
Enhance docker network rm to allow removing multiple networks #17489
Include container names in network inspect #17615
Include auto-generated subnets for user-defined networks in network inspect #17316
Add --filter flag to network ls to hide predefined networks #17782
Add support for network connect/disconnect to stopped containers #18906
Add network ID to container inspect #19323

Fix MTU issue where Docker would not start with two or more default routes #18108
Fix duplicate IP address for containers #18106
Fix issue preventing sometimes docker from creating the bridge network #19338
Do not substitute 127.0.0.1 name server when using --net=host #19573

Logging

New logging driver for Splunk #16488
Add support for syslog over TCP+TLS #18998

Enhance docker logs --since and --until to support nanoseconds and time #17495
Enhance AWS logs to auto-detect region #16640

Volumes

Add support to set the mount propagation mode for a volume #17034

Add ls and inspect endpoints to volume plugin API #16534 Existing plugins need to make use of these new APIs to satisfy users' expectation For that, please use the new MIME type application/vnd.docker.plugins.v1.2+json #19549

Fix data not being copied to named volumes #19175
Fix issues preventing volume drivers from being containerized #19500
Fix docker volumes ls --dangling=false to now show all non-dangling volumes #19671
Do not remove named volumes on container removal #19568
Allow external volume drivers to host anonymous volumes #19190

Builder

Add support for ** in .dockerignore to wildcard multiple levels of directories #17090

Fix handling of UTF-8 characters in Dockerfiles #17055
Fix permissions problem when reading from STDIN #19283

Client

Add support for overriding the API version to use via an DOCKER_API_VERSION environment-variable #15964

Fix a bug preventing Windows clients to log in to Docker Hub #19891

Misc

systemd: Set TasksMax in addition to LimitNPROC in systemd service file #19391

Deprecations

Remove LXC support. The LXC driver was deprecated in Docker 1.8, and has now been removed #17700
Remove --exec-driver daemon flag, because it is no longer in use #17700
Remove old deprecated single-dashed long CLI flags (such as -rm; use --rm instead) #17724
Deprecate HostConfig at API container start #17799
Deprecate docker packages for newly EOL'd Linux distributions: Fedora 21 and Ubuntu 15.04 (Vivid) #18794, #18809
Deprecate -f flag for docker tag #18350

1.9.1 (2015-11-21)

Runtime

Do not prevent daemon from booting if images could not be restored (#17695)
Force IPC mount to unmount on daemon shutdown/init (#17539)
Turn IPC unmount errors into warnings (#17554)
Fix docker stats performance regression (#17638)
Clarify cryptic error message upon docker logs if --log-driver=none (#17767)
Fix seldom panics (#17639, #17634, #17703)
Fix opq whiteouts problems for files with dot prefix (#17819)
devicemapper: try defaulting to xfs instead of ext4 for performance reasons (#17903, #17918)
devicemapper: fix displayed fs in docker info (#17974)
selinux: only relabel if user requested so with the z option (#17450, #17834)
Do not make network calls when normalizing names (#18014)

Client

Fix docker login on windows (#17738)
Fix bug with docker inspect output when not connected to daemon (#17715)
Fix docker inspect -f {{.HostConfig.Dns}} somecontainer (#17680)

Builder

Fix regression with symlink behavior in ADD/COPY (#17710)

Networking

Allow passing a network ID as an argument for --net (#17558)
Fix connect to host and prevent disconnect from host for host network (#17476)
Fix --fixed-cidr issue when gateway ip falls in ip-range and ip-range is not the first block in the network (#17853)
Restore deterministic IPv6 generation from MAC address on default bridge network (#17890)
Allow port-mapping only for endpoints created on docker run (#17858)
Fixed an endpoint delete issue with a possible stale sbox (#18102)

Distribution

Correct parent chain in v2 push when v1Compatibility files on the disk are inconsistent (#18047)

1.9.0 (2015-11-03)

Runtime

docker stats now returns block IO metrics (#15005)
docker stats now details network stats per interface (#15786)
Add ancestor=<image> filter to docker ps --filter flag to filter containers based on their ancestor images (#14570)
Add label=<somelabel> filter to docker ps --filter to filter containers based on label (#16530)
Add --kernel-memory flag to docker run (#14006)
Add --message flag to docker import allowing to specify an optional message (#15711)
Add --privileged flag to docker exec (#14113)
Add --stop-signal flag to docker run allowing to replace the container process stopping signal (#15307)
Add a new unless-stopped restart policy (#15348)
Inspecting an image now returns tags (#13185)
Add container size information to docker inspect (#15796)
Add RepoTags and RepoDigests field to /images/{name:.*}/json (#17275)

Remove the deprecated /container/ps endpoint from the API (#15972)
Send and document correct HTTP codes for /exec/<name>/start (#16250)
Share shm and mqueue between containers sharing IPC namespace (#15862)
Event stream now shows OOM status when --oom-kill-disable is set (#16235)
Ensure special network files (/etc/hosts etc.) are read-only if bind-mounted with ro option (#14965)
Improve rmi performance (#16890)
Do not update /etc/hosts for the default bridge network, except for links (#17325)
Fix conflict with duplicate container names (#17389)
Fix an issue with incorrect template execution in docker inspect (#17284)
DEPRECATE -c short flag variant for --cpu-shares in docker run (#16271)

Client

Allow docker import to import from local files (#11907)

Builder

Add a STOPSIGNAL Dockerfile instruction allowing to set a different stop-signal for the container process (#15307)
Add an ARG Dockerfile instruction and a --build-arg flag to docker build that allows to add build-time environment variables (#15182)

Improve cache miss performance (#16890)

Storage

devicemapper: Implement deferred deletion capability (#16381)

Networking

docker network exits experimental and is part of standard release (#16645)
New network top-level concept, with associated subcommands and API (#16645) WARNING: the API is different from the experimental API
Support for multiple isolated/micro-segmented networks (#16645)
Built-in multihost networking using VXLAN based overlay driver (#14071)
Support for third-party network plugins (#13424)
Ability to dynamically connect containers to multiple networks (#16645)
Support for user-defined IP address management via pluggable IPAM drivers (#16910)
Add daemon flags --cluster-store and --cluster-advertise for built-in nodes discovery (#16229)
Add --cluster-store-opt for setting up TLS settings (#16644)
Add --dns-opt to the daemon (#16031)

DEPRECATE following container NetworkSettings fields in API v1.21: EndpointID, Gateway, GlobalIPv6Address, GlobalIPv6PrefixLen, IPAddress, IPPrefixLen, IPv6Gateway and MacAddress. Those are now specific to the bridge network. Use NetworkSettings.Networks to inspect the networking settings of a container per network.

Volumes

New top-level volume subcommand and API (#14242)

Move API volume driver settings to host-specific config (#15798)
Print an error message if volume name is not unique (#16009)
Ensure volumes created from Dockerfiles always use the local volume driver (#15507)
DEPRECATE auto-creating missing host paths for bind mounts (#16349)

Logging

Add awslogs logging driver for Amazon CloudWatch (#15495)
Add generic tag log option to allow customizing container/image information passed to driver (e.g. show container names) (#15384)

Implement the docker logs endpoint for the journald driver (#13707)
DEPRECATE driver-specific log tags (e.g. syslog-tag, etc.) (#15384)

Distribution

docker search now works with partial names (#16509)

Push optimization: avoid buffering to file (#15493)
The daemon will display progress for images that were already being pulled by another client (#15489)
Only permissions required for the current action being performed are requested (#)

Renaming trust keys (and respective environment variables) from offline to root and tagging to repository (#16894)

DEPRECATE trust key environment variables DOCKER_CONTENT_TRUST_OFFLINE_PASSPHRASE and DOCKER_CONTENT_TRUST_TAGGING_PASSPHRASE (#16894)

Security

Add SELinux profiles to the rpm package (#15832)

Fix various issues with AppArmor profiles provided in the deb package (#14609)
Add AppArmor policy that prevents writing to /proc (#15571)

1.8.3 (2015-10-12)

Distribution

Fix layer IDs lead to local graph poisoning (CVE-2014-8178)
Fix manifest validation and parsing logic errors allow pull-by-digest validation bypass (CVE-2014-8179)

Add --disable-legacy-registry to prevent a daemon from using a v1 registry

1.8.2 (2015-09-10)

Distribution

Fixes rare edge case of handling GNU LongLink and LongName entries.
Fix ^C on docker pull.
Fix docker pull issues on client disconnection.
Fix issue that caused the daemon to panic when loggers weren't configured properly.
Fix goroutine leak pulling images from registry V2.

Runtime

Fix a bug mounting cgroups for docker daemons running inside docker containers.
Initialize log configuration properly.

Client:

Handle -q flag in docker ps properly when there is a default format.

Networking

Fix several corner cases with netlink.

Contrib

Fix several issues with bash completion.

1.8.1 (2015-08-12)

Distribution

Fix a bug where pushing multiple tags would result in invalid images

1.8.0 (2015-08-11)

Distribution

Trusted pull, push and build, disabled by default

Make tar layers deterministic between registries
Don't allow deleting the image of running containers
Check if a tag name to load is a valid digest
Allow one character repository names
Add a more accurate error description for invalid tag name
Make build cache ignore mtime

Cli

Add support for DOCKER_CONFIG/--config to specify config file dir
Add --type flag for docker inspect command
Add formatting options to docker ps with --format
Replace docker -d with new subcommand docker daemon

Zsh completion updates and improvements
Add some missing events to bash completion
Support daemon urls with base paths in docker -H
Validate status= filter to docker ps
Display when a container is in --net=host in docker ps
Extend docker inspect to export image metadata related to graph driver
Restore --default-gateway{,-v6} daemon options
Add missing unpublished ports in docker ps
Allow duration strings in docker events as --since/--until
Expose more mounts information in docker inspect

Runtime

Add new Fluentd logging driver
Allow docker import to load from local files
Add logging driver for GELF via UDP
Allow to copy files from host to containers with docker cp
Promote volume drivers from experimental to master
Add rollover options to json-file log driver, and --log-driver-opts flag
Add memory swappiness tuning options

Remove cgroup read-only flag when privileged
Make /proc, /sys, & /dev readonly for readonly containers
Add cgroup bind mount by default
Overlay: Export metadata for container and image in docker inspect
Devicemapper: external device activation
Devicemapper: Compare uuid of base device on startup
Remove RC4 from the list of registry cipher suites
Add syslog-facility option
LXC execdriver compatibility with recent LXC versions
Mark LXC execriver as deprecated (to be removed with the migration to runc)

Plugins

Separate plugin sockets and specs locations
Allow TLS connections to plugins

Bug fixes

Add missing 'Names' field to /containers/json API output
Make docker rmi of dangling images safe while pulling
Devicemapper: Change default basesize to 100G
Go Scheduler issue with sync.Mutex and gcc
Fix issue where Search API endpoint would panic due to empty AuthConfig
Set image canonical names correctly
Check dockerinit only if lxc driver is used
Fix ulimit usage of nproc
Always attach STDIN if -i,--interactive is specified
Show error messages when saving container state fails
Fixed incorrect assumption on --bridge=none treated as disable network
Check for invalid port specifications in host configuration
Fix endpoint leave failure for --net=host mode
Fix goroutine leak in the stats API if the container is not running
Check for apparmor file before reading it
Fix DOCKER_TLS_VERIFY being ignored
Set umask to the default on startup
Correct the message of pause and unpause a non-running container
Adjust disallowed CpuShares in container creation
ZFS: correctly apply selinux context
Display empty string instead of when IP opt is nil
docker kill returns error when container is not running
Fix COPY/ADD quoted/json form
Fix goroutine leak on logs -f with no output
Remove panic in nat package on invalid hostport
Fix container linking in Fedora 22
Fix error caused using default gateways outside of the allocated range
Format times in inspect command with a template as RFC3339Nano
Make registry client to accept 2xx and 3xx http status responses as successful
Fix race issue that caused the daemon to crash with certain layer downloads failed in a specific order.
Fix error when the docker ps format was not valid.
Remove redundant ip forward check.
Fix issue trying to push images to repository mirrors.
Fix error cleaning up network entrypoints when there is an initialization issue.

1.7.1 (2015-07-14)

Runtime

Fix default user spawning exec process with docker exec
Make --bridge=none not to configure the network bridge
Publish networking stats properly
Fix implicit devicemapper selection with static binaries
Fix socket connections that hung intermittently
Fix bridge interface creation on CentOS/RHEL 6.6
Fix local dns lookups added to resolv.conf
Fix copy command mounting volumes
Fix read/write privileges in volumes mounted with --volumes-from

Remote API

Fix unmarshalling of Command and Entrypoint
Set limit for minimum client version supported
Validate port specification
Return proper errors when attach/reattach fail

Distribution

Fix pulling private images
Fix fallback between registry V2 and V1

1.7.0 (2015-06-16)

Runtime

Experimental feature: support for out-of-process volume plugins

The userland proxy can be disabled in favor of hairpin NAT using the daemon’s --userland-proxy=false flag
The exec command supports the -u|--user flag to specify the new process owner

Default gateway for containers can be specified daemon-wide using the --default-gateway and --default-gateway-v6 flags
The CPU CFS (Completely Fair Scheduler) quota can be set in docker run using --cpu-quota
Container block IO can be controlled in docker run using--blkio-weight
ZFS support
The docker logs command supports a --since argument
UTS namespace can be shared with the host with docker run --uts=host

Quality

Networking stack was entirely rewritten as part of the libnetwork effort
Engine internals refactoring
Volumes code was entirely rewritten to support the plugins effort

Sending SIGUSR1 to a daemon will dump all goroutines stacks without exiting

Build

Support {variable:-value} and {variable:+value} syntax for environment variables
Support resource management flags --cgroup-parent, --cpu-period, --cpu-quota, --cpuset-cpus, --cpuset-mems
git context changes with branches and directories

The .dockerignore file support exclusion rules

Distribution

Client support for v2 mirroring support for the official registry

Bugfixes

Firewalld is now supported and will automatically be used when available
mounting --device recursively

1.6.2 (2015-05-13)

Runtime

Revert change prohibiting mounting into /sys

1.6.1 (2015-05-07)

Security

Fix read/write /proc paths (CVE-2015-3630)
Prohibit VOLUME /proc and VOLUME / (CVE-2015-3631)
Fix opening of file-descriptor 1 (CVE-2015-3627)
Fix symlink traversal on container respawn allowing local privilege escalation (CVE-2015-3629)
Prohibit mount of /sys

Runtime

Update AppArmor policy to not allow mounts

1.6.0 (2015-04-07)

Builder

Building images from an image ID
Build containers with resource constraints, ie docker build --cpu-shares=100 --memory=1024m...
commit --change to apply specified Dockerfile instructions while committing the image
import --change to apply specified Dockerfile instructions while importing the image
Builds no longer continue in the background when canceled with CTRL-C

Client

Windows Support

Runtime

Container and image Labels
--cgroup-parent for specifying a parent cgroup to place container cgroup within
Logging drivers, json-file, syslog, or none
Pulling images by ID
--ulimit to set the ulimit on a container
--default-ulimit option on the daemon which applies to all created containers (and overwritten by --ulimit on run)

1.5.0 (2015-02-10)

Builder

Dockerfile to use for a given docker build can be specified with the -f flag

Dockerfile and .dockerignore files can be themselves excluded as part of the .dockerignore file, thus preventing modifications to these files invalidating ADD or COPY instructions cache
ADD and COPY instructions accept relative paths
Dockerfile FROM scratch instruction is now interpreted as a no-base specifier
Improve performance when exposing a large number of ports

Hack

Allow client-side only integration tests for Windows

Include docker-py integration tests against Docker daemon as part of our test suites

Packaging

Support for the new version of the registry HTTP API

Speed up docker push for images with a majority of already existing layers

Fixed contacting a private registry through a proxy

Remote API

A new endpoint will stream live container resource metrics and can be accessed with the docker stats command
Containers can be renamed using the new rename endpoint and the associated docker rename command

Container inspect endpoint show the ID of exec commands running in this container
Container inspect endpoint show the number of times Docker auto-restarted the container
New types of event can be streamed by the events endpoint: ‘OOM’ (container died with out of memory), ‘exec_create’, and ‘exec_start'

Fixed returned string fields which hold numeric characters incorrectly omitting surrounding double quotes

Runtime

Docker daemon has full IPv6 support
The docker run command can take the --pid=host flag to use the host PID namespace, which makes it possible for example to debug host processes using containerized debugging tools
The docker run command can take the --read-only flag to make the container’s root filesystem mounted as readonly, which can be used in combination with volumes to force a container’s processes to only write to locations that will be persisted
Container total memory usage can be limited for docker run using the --memory-swap flag

Major stability improvements for devicemapper storage driver
Better integration with host system: containers will reflect changes to the host's /etc/resolv.conf file when restarted
Better integration with host system: per-container iptable rules are moved to the DOCKER chain

Fixed container exiting on out of memory to return an invalid exit code

Other

The HTTP_PROXY, HTTPS_PROXY, and NO_PROXY environment variables are properly taken into account by the client when connecting to the Docker daemon

1.4.1 (2014-12-15)

Runtime

Fix issue with volumes-from and bind mounts not being honored after create

1.4.0 (2014-12-11)

Notable Features since 1.3.0

Set key=value labels to the daemon (displayed in docker info), applied with new -label daemon flag
Add support for ENV in Dockerfile of the form: ENV name=value name2=value2...
New Overlayfs Storage Driver
docker info now returns an ID and Name field
Filter events by event name, container, or image
docker cp now supports copying from container volumes

Fixed docker tag, so it honors --force when overriding a tag for existing image.

1.3.3 (2014-12-11)

Security

Fix path traversal vulnerability in processing of absolute symbolic links (CVE-2014-9356)
Fix decompression of xz image archives, preventing privilege escalation (CVE-2014-9357)
Validate image IDs (CVE-2014-9358)

Runtime

Fix an issue when image archives are being read slowly

Client

Fix a regression related to stdin redirection
Fix a regression with docker cp when destination is the current directory

1.3.2 (2014-11-20)

Security

Fix tar breakout vulnerability

Extractions are now sandboxed chroot

Security options are no longer committed to images

Runtime

Fix deadlock in docker ps -f exited=1
Fix a bug when --volumes-from references a container that failed to start

Registry

--insecure-registry now accepts CIDR notation such as 10.1.0.0/16

Private registries whose IPs fall in the 127.0.0.0/8 range do no need the --insecure-registry flag

Skip the experimental registry v2 API when mirroring is enabled

1.3.1 (2014-10-28)

Security

Prevent fallback to SSL protocols < TLS 1.0 for client, daemon and registry

Secure HTTPS connection to registries with certificate verification and without HTTP fallback unless --insecure-registry is specified

Runtime

Fix issue where volumes would not be shared

Client

Fix issue with --iptables=false not automatically setting --ip-masq=false
Fix docker run output to non-TTY stdout

Builder

Fix escaping $ for environment variables
Fix issue with lowercase onbuild Dockerfile instruction
Restrict environment variable expansion to ENV, ADD, COPY, WORKDIR, EXPOSE, VOLUME and USER

1.3.0 (2014-10-14)

Notable features since 1.2.0

Docker exec allows you to run additional processes inside existing containers
Docker create gives you the ability to create a container via the CLI without executing a process
--security-opts options to allow user to customize container labels and apparmor profiles
Docker ps filters

Wildcard support to COPY/ADD

Move production URLs to get.docker.com from get.docker.io
Allocate IP address on the bridge inside a valid CIDR
Use drone.io for PR and CI testing
Ability to setup an official registry mirror
Ability to save multiple images with docker save

1.2.0 (2014-08-20)

Runtime

Make /etc/hosts /etc/resolv.conf and /etc/hostname editable at runtime
Auto-restart containers using policies
Use /var/lib/docker/tmp for large temporary files
--cap-add and --cap-drop to tweak what linux capability you want
--device to use devices in containers

Client

docker search on private registries
Add exited filter to docker ps --filter

docker rm -f now kills instead of stop

Support for IPv6 addresses in --dns flag

Proxy

Proxy instances in separate processes

Small bug fix on UDP proxy

1.1.2 (2014-07-23)

Runtime

Fix port allocation for existing containers
Fix containers restart on daemon restart

Packaging

Fix /etc/init.d/docker issue on Debian

1.1.1 (2014-07-09)

Builder

Fix issue with ADD

1.1.0 (2014-07-03)

Notable features since 1.0.1

Add .dockerignore support
Pause containers during docker commit
Add --tail to docker logs

Builder

Allow a tar file as context for docker build

Fix issue with white-spaces and multi-lines in Dockerfiles

Runtime

Overall performance improvements
Allow / as source of docker run -v
Fix port allocation
Fix bug in docker save
Add links information to docker inspect

Client

Improve command line parsing for docker commit

Remote API

Improve status code for the start and stop endpoints

1.0.1 (2014-06-19)

Notable features since 1.0.0

Enhance security for the LXC driver

Builder

Fix ONBUILD instruction passed to grandchildren

Runtime

Fix events subscription
Fix /etc/hostname file with host networking
Allow -h and --net=none
Fix issue with hotplug devices in --privileged

Client

Fix artifacts with events
Fix a panic with empty flags
Fix docker cp on Mac OS X

Miscellaneous

Fix compilation on Mac OS X
Fix several races

1.0.0 (2014-06-09)

Notable features since 0.12.0

Production support

0.12.0 (2014-06-05)

Notable features since 0.11.0

40+ various improvements to stability, performance and usability
New COPY Dockerfile instruction to allow copying a local file from the context into the container without ever extracting if the file is a tar file
Inherit file permissions from the host on ADD
New pause and unpause commands to allow pausing and unpausing of containers using cgroup freezer
The images command has a -f/--filter option to filter the list of images
Add --force-rm to clean up after a failed build
Standardize JSON keys in Remote API to CamelCase
Pull from a docker run now assumes latest tag if not specified
Enhance security on Linux capabilities and device nodes

0.11.1 (2014-05-07)

Registry

Fix push and pull to private registry

0.11.0 (2014-05-07)

Notable features since 0.10.0

SELinux support for mount and process labels
Linked containers can be accessed by hostname
Use the net --net flag to allow advanced network configuration such as host networking so that containers can use the host's network interfaces
Add a ping endpoint to the Remote API to do healthchecks of your docker daemon
Logs can now be returned with an optional timestamp
Docker now works with registries that support SHA-512
Multiple registry endpoints are supported to allow registry mirrors

0.10.0 (2014-04-08)

Builder

Fix printing multiple messages on a single line. Fixes broken output during builds.
Follow symlinks inside container's root for ADD build instructions.
Fix EXPOSE caching.

Documentation

Add the new options of docker ps to the documentation.
Add the options of docker restart to the documentation.
Update daemon docs and help messages for --iptables and --ip-forward.
Updated apt-cacher-ng docs example.
Remove duplicate description of --mtu from docs.
Add missing -t and -v for docker images to the docs.
Add fixes to the cli docs.
Update libcontainer docs.
Update images in docs to remove references to AUFS and LXC.
Update the nodejs_web_app in the docs to use the new epel RPM address.
Fix external link on security of containers.
Update remote API docs.
Add image size to history docs.
Be explicit about binding to all interfaces in redis example.
Document DisableNetwork flag in the 1.10 remote api.
Document that --lxc-conf is lxc only.
Add chef usage documentation.
Add example for an image with multiple for docker load.
Explain what docker run -a does in the docs.

Contrib

Add variable for DOCKER_LOGFILE to sysvinit and use append instead of overwrite in opening the logfile.
Fix init script cgroup mounting workarounds to be more similar to cgroupfs-mount and thus work properly.
Remove inotifywait hack from the upstart host-integration example because it's not necessary any more.
Add check-config script to contrib.
Fix fish shell completion.

Hack

Clean up "go test" output from "make test" to be much more readable/scannable.
Exclude more "definitely not unit tested Go source code" directories from hack/make/test.

Generate md5 and sha256 hashes when building, and upload them via hack/release.sh.

Include contributed completions in Ubuntu PPA.

Add cli integration tests.

Add tweaks to the hack scripts to make them simpler.

Remote API

Add TLS auth support for API.

Move git clone from daemon to client.

Fix content-type detection in docker cp.

Split API into 2 go packages.

Runtime

Support hairpin NAT without going through Docker server.

devicemapper: succeed immediately when removing non-existent devices.
devicemapper: improve handling of devicemapper devices (add per device lock, increase sleep time and unlock while sleeping).
devicemapper: increase timeout in waitClose to 10 seconds.
devicemapper: ensure we shut down thin pool cleanly.
devicemapper: pass info, rather than hash to activateDeviceIfNeeded, deactivateDevice, setInitialized, deleteDevice.
devicemapper: avoid AB-BA deadlock.
devicemapper: make shutdown better/faster.
improve alpha sorting in mflag.
Remove manual http cookie management because the cookiejar is being used.
Use BSD raw mode on Darwin. Fixes nano, tmux and others.
Add FreeBSD support for the client.
Merge auth package into registry.
Add deprecation warning for -t on docker pull.
Remove goroutine leak on error.
Update parseLxcInfo to comply with new lxc1.0 format.
Fix attach exit on darwin.
Improve deprecation message.
Retry to retrieve the layer metadata up to 5 times for docker pull.
Only unshare the mount namespace for execin.
Merge existing config when committing.
Disable daemon startup timeout.
Fix issue #4681: add loopback interface when networking is disabled.
Add failing test case for issue #4681.
Send SIGTERM to child, instead of SIGKILL.
Show the driver and the kernel version in docker info even when not in debug mode.
Always symlink /dev/ptmx for libcontainer. This fixes console related problems.
Fix issue caused by the absence of /etc/apparmor.d.
Don't leave empty cidFile behind when failing to create the container.
Mount cgroups automatically if they're not mounted already.
Use mock for search tests.
Update to double-dash everywhere.
Move .dockerenv parsing to lxc driver.
Move all bind-mounts in the container inside the namespace.
Don't use separate bind mount for container.
Always symlink /dev/ptmx for libcontainer.
Don't kill by pid for other drivers.
Add initial logging to libcontainer.

Sort by port in docker ps.

Move networking drivers into runtime top level package.

Add --no-prune to docker rmi.
Add time since exit in docker ps.

graphdriver: add build tags.
Prevent allocation of previously allocated ports & prevent improve port allocation.

Add support for --since/--before in docker ps.

Clean up container stop.

Add support for configurable dns search domains.

Add support for relative WORKDIR instructions.
Add --output flag for docker save.
Remove duplication of DNS entries in config merging.
Add cpuset.cpus to cgroups and native driver options.
Remove docker-ci.
Promote btrfs. btrfs is no longer considered experimental.
Add --input flag to docker load.
Return error when existing bridge doesn't match IP address.
Strip comments before parsing line continuations to avoid interpreting instructions as comments.
Fix TestOnlyLoopbackExistsWhenUsingDisableNetworkOption to ignore "DOWN" interfaces.
Add systemd implementation of cgroups and make containers show up as systemd units.
Fix commit and import when no repository is specified.
Remount /var/lib/docker as --private to fix scaling issue.
Use the environment's proxy when pinging the remote registry.
Reduce error level from harmless errors.

Allow --volumes-from to be individual files.

Fix expanding buffer in StdCopy.
Set error regardless of attach or stdin. This fixes #3364.
Add support for --env-file to load environment variables from files.
Symlink /etc/mtab and /proc/mounts.
Allow pushing a single tag.
Shut down containers cleanly at shutdown and wait forever for the containers to shut down. This makes container shutdown on daemon shutdown work properly via SIGTERM.
Don't throw error when starting an already running container.
Fix dynamic port allocation limit.
remove setupDev from libcontainer.
Add API version to docker version.
Return correct exit code when receiving signal and make SIGQUIT quit without cleanup.
Fix --volumes-from mount failure.
Allow non-privileged containers to create device nodes.
Skip login tests because of external dependency on a hosted service.
Deprecate docker images --tree and docker images --viz.
Deprecate docker insert.
Include base abstraction for apparmor. This fixes some apparmor related problems on Ubuntu 14.04.
Add specific error message when hitting 401 over HTTP on push.
Fix absolute volume check.
Remove volumes-from from the config.
Move DNS options to hostconfig.
Update the apparmor profile for libcontainer.
Add deprecation notice for docker commit -run.

0.9.1 (2014-03-24)

Builder

Fix printing multiple messages on a single line. Fixes broken output during builds.

Documentation

Fix external link on security of containers.

Contrib

Fix init script cgroup mounting workarounds to be more similar to cgroupfs-mount and thus work properly.
Add variable for DOCKER_LOGFILE to sysvinit and use append instead of overwrite in opening the logfile.

Hack

Generate md5 and sha256 hashes when building, and upload them via hack/release.sh.

Remote API

Fix content-type detection in docker cp.

Runtime

Use BSD raw mode on Darwin. Fixes nano, tmux and others.
Only unshare the mount namespace for execin.
Retry to retrieve the layer metadata up to 5 times for docker pull.
Merge existing config when committing.
Fix panic in monitor.
Disable daemon startup timeout.
Fix issue #4681: add loopback interface when networking is disabled.
Add failing test case for issue #4681.
Send SIGTERM to child, instead of SIGKILL.
Show the driver and the kernel version in docker info even when not in debug mode.
Always symlink /dev/ptmx for libcontainer. This fixes console related problems.
Fix issue caused by the absence of /etc/apparmor.d.
Don't leave empty cidFile behind when failing to create the container.
Improve deprecation message.
Fix attach exit on darwin.
devicemapper: improve handling of devicemapper devices (add per device lock, increase sleep time, unlock while sleeping).
devicemapper: succeed immediately when removing non-existent devices.
devicemapper: increase timeout in waitClose to 10 seconds.
Remove goroutine leak on error.
Update parseLxcInfo to comply with new lxc1.0 format.

0.9.0 (2014-03-10)

Builder

Avoid extra mount/unmount during build. This fixes mount/unmount related errors during build.
Add error to docker build --rm. This adds missing error handling.
Forbid chained onbuild, onbuild from and onbuild maintainer triggers.
Make --rm the default for docker build.

Documentation

Download the docker client binary for Mac over https.
Update the titles of the install instructions & descriptions.

Add instructions for upgrading boot2docker.
Add port forwarding example in OS X install docs.

Attempt to disentangle repository and registry.
Update docs to explain more about docker ps.
Update sshd example to use a Dockerfile.
Rework some examples, including the Python examples.
Update docs to include instructions for a container's lifecycle.
Update docs documentation to discuss the docs branch.
Don't skip cert check for an example & use HTTPS.
Bring back the memory and swap accounting section which was lost when the kernel page was removed.
Explain DNS warnings and how to fix them on systems running and using a local nameserver.

Contrib

Add Tanglu support for mkimage-debootstrap.
Add SteamOS support for mkimage-debootstrap.

Hack

Get package coverage when running integration tests.
Remove the Vagrantfile. This is being replaced with boot2docker.
Fix tests on systems where aufs isn't available.
Update packaging instructions and remove the dependency on lxc.

Remote API

Move code specific to the API to the api package.

Fix header content type for the API. Makes all endpoints use proper content type.
Fix registry auth & remove ping calls from CmdPush and CmdPull.
Add newlines to the JSON stream functions.

Runtime

Do not ping the registry from the CLI. All requests to registries flow through the daemon.

Check for nil information return in the lxc driver. This fixes panics with older lxc versions.
Devicemapper: cleanups and fix for unmount. Fixes two problems which were causing unmount to fail intermittently.
Devicemapper: remove directory when removing device. Directories don't get left behind when removing the device.

Devicemapper: enable skip_block_zeroing. Improves performance by not zeroing blocks.

Devicemapper: fix shutdown warnings. Fixes shutdown warnings concerning pool device removal.
Ensure docker cp stream is closed properly. Fixes problems with files not being copied by docker cp.
Stop making tcp:// default to 127.0.0.1:4243 and remove the default port for tcp.
Fix --run in docker commit. This makes docker commit --run work again.
Fix custom bridge related options. This makes custom bridges work again.

Mount-bind the PTY as container console. This allows tmux/screen to run.
Add the pure Go libcontainer library to make it possible to run containers using only features of the Linux kernel.
Add native exec driver which uses libcontainer and make it the default exec driver.

Add support for handling extended attributes in archives.

Set the container MTU to be the same as the host MTU.

Add simple sha256 checksums for layers to speed up docker push.

Improve kernel version parsing.
Allow flag grouping (docker run -it).

Remove chroot exec driver.
Fix divide by zero to fix panic.
Rewrite docker rmi.
Fix docker info with lxc 1.0.0.
Fix fedora tty with apparmor.

Don't always append env vars, replace defaults with vars from config.
Fix a goroutine leak.
Switch to Go 1.2.1.

Fix unique constraint error checks.

Handle symlinks for Docker's data directory and for TMPDIR.

Add deprecation warnings for flags (-flag is deprecated in favor of --flag)
Add apparmor profile for the native execution driver.

Move system specific code from archive to pkg/system.

Fix duplicate signal for docker run -i -t (issue #3336).
Return correct process pid for lxc.
Add a -G option to specify the group which unix sockets belong to.

Add -f flag to docker rm to force removal of running containers.
Kill ghost containers and restart all ghost containers when the docker daemon restarts.
Add DOCKER_RAMDISK environment variable to make Docker work when the root is on a ramdisk.

0.8.1 (2014-02-18)

Builder

Avoid extra mount/unmount during build. This removes an unneeded mount/unmount operation which was causing problems with devicemapper
Fix regression with ADD of tar files. This stops Docker from decompressing tarballs added via ADD from the local file system
Add error to docker build --rm. This adds a missing error check to ensure failures to remove containers are detected and reported

Documentation

Update issue filing instructions
Warn against the use of symlinks for Docker's storage folder
Replace the Firefox example with an IceWeasel example
Rewrite the PostgreSQL example using a Dockerfile and add more details to it
Improve the OS X documentation

Remote API

Fix broken images API for version less than 1.7
Use the right encoding for all API endpoints which return JSON
Move remote api client to api/
Queue calls to the API using generic socket wait

Runtime

Fix the use of custom settings for bridges and custom bridges
Refactor the devicemapper code to avoid many mount/unmount race conditions and failures
Remove two panics which could make Docker crash in some situations
Don't ping registry from the CLI client
Enable skip_block_zeroing for devicemapper. This stops devicemapper from always zeroing entire blocks
Fix --run in docker commit. This makes docker commit store --run in the image configuration
Remove directory when removing devicemapper device. This cleans up leftover mount directories
Drop NET_ADMIN capability for non-privileged containers. Unprivileged containers can't change their network configuration
Ensure docker cp stream is closed properly
Avoid extra mount/unmount during container registration. This removes an unneeded mount/unmount operation which was causing problems with devicemapper
Stop allowing tcp:// as a default tcp bin address which binds to 127.0.0.1:4243 and remove the default port

Mount-bind the PTY as container console. This allows tmux and screen to run in a container

Clean up archive closing. This fixes and improves archive handling
Fix engine tests on systems where temp directories are symlinked
Add test methods for save and load
Avoid temporarily unmounting the container when restarting it. This fixes a race for devicemapper during restart
Support submodules when building from a GitHub repository
Quote volume path to allow spaces
Fix remote tar ADD behavior. This fixes a regression which was causing Docker to extract tarballs

0.8.0 (2014-02-04)

Notable features since 0.7.0

Images and containers can be removed much faster
Building an image from source with docker build is now much faster
The Docker daemon starts and stops much faster
The memory footprint of many common operations has been reduced, by streaming files instead of buffering them in memory, fixing memory leaks, and fixing various suboptimal memory allocations
Several race conditions were fixed, making Docker more stable under very high concurrency load. This makes Docker more stable and less likely to crash and reduces the memory footprint of many common operations
All packaging operations are now built on the Go language’s standard tar implementation, which is bundled with Docker itself. This makes packaging more portable across host distributions, and solves several issues caused by quirks and incompatibilities between different distributions of tar
Docker can now create, remove and modify larger numbers of containers and images graciously thanks to more aggressive releasing of system resources. For example the storage driver API now allows Docker to do reference counting on mounts created by the drivers With the ongoing changes to the networking and execution subsystems of docker testing these areas have been a focus of the refactoring. By moving these subsystems into separate packages we can test, analyze, and monitor coverage and quality of these packages
Many components have been separated into smaller sub-packages, each with a dedicated test suite. As a result the code is better-tested, more readable and easier to change
The ADD instruction now supports caching, which avoids unnecessarily re-uploading the same source content again and again when it hasn’t changed
The new ONBUILD instruction adds to your image a “trigger” instruction to be executed at a later time, when the image is used as the base for another build
Docker now ships with an experimental storage driver which uses the BTRFS filesystem for copy-on-write
Docker is officially supported on Mac OS X
The Docker daemon supports systemd socket activation

0.7.6 (2014-01-14)

Builder

Do not follow symlink outside of build context

Runtime

Remount bind mounts when ro is specified

Use https for fetching docker version

Other

Inline the test.docker.io fingerprint
Add ca-certificates to packaging documentation

0.7.5 (2014-01-09)

Builder

Disable compression for build. More space usage but a much faster upload

Fix ADD caching for certain paths
Do not compress archive from git build

Documentation

Fix error in GROUP add example

Make sure the GPG fingerprint is inline in the documentation
Give more specific advice on setting up signing of commits for DCO

Runtime

Fix misspelled container names
Do not add hostname when networking is disabled

Return most recent image from the cache by date

Return all errors from docker wait

Add Content-Type Header "application/json" to GET /version and /info responses

Other

Update DCO to version 1.1

Update Makefile to use "docker:GIT_BRANCH" as the generated image name

Update Travis to check for new 1.1 DCO version

0.7.4 (2014-01-07)

Builder

Fix ADD caching issue with . prefixed path
Fix docker build on devicemapper by reverting sparse file tar option
Fix issue with file caching and prevent wrong cache hit

Use same error handling while unmarshalling CMD and ENTRYPOINT

Documentation

Simplify and streamline Amazon Quickstart
Install instructions use unprefixed Fedora image
Update instructions for mtu flag for Docker on GCE

Add Ubuntu Saucy to installation

Fix for wrong version warning on master instead of latest

Runtime

Only get the image's rootfs when we need to calculate the image size
Correctly handle unmapping UDP ports

Make CopyFileWithTar use a pipe instead of a buffer to save memory on docker build

Fix login message to say pull instead of push
Fix "docker load" help by removing "SOURCE" prompt and mentioning STDIN

Make blank -H option default to the same as no -H was sent
Extract cgroups utilities to own submodule

Other

Add Travis CI configuration to validate DCO and gofmt requirements
Add Developer Certificate of Origin Text

Upgrade VBox Guest Additions
Check standalone header when pinging a registry server

0.7.3 (2014-01-02)

Builder

Update ADD to use the image cache, based on a hash of the added content

Add error message for empty Dockerfile

Documentation

Fix outdated link to the "Introduction" on www.docker.io

Update the docs to get wider when the screen does

Add information about needing to install LXC when using raw binaries

Update Fedora documentation to disentangle the docker and docker.io conflict
Add a note about using the new -mtu flag in several GCE zones

Add FrugalWare installation instructions
Add a more complete example of docker run

Fix API documentation for creating and starting Privileged containers
Add missing "name" parameter documentation on "/containers/create"

Add a mention of lxc-checkconfig as a way to check for some of the necessary kernel configuration

Update the 1.8 API documentation with some additions that were added to the docs for 1.7

Hack

Add missing libdevmapper dependency to the packagers documentation

Update minimum Go requirement to a hard line at Go 1.2+
Many minor improvements to the Vagrantfile

Add ability to customize dockerinit search locations when compiling (to be used very sparingly only by packagers of platforms who require a nonstandard location)
Add coverprofile generation reporting

Add -a to our Go build flags, removing the need for recompiling the stdlib manually

Update Dockerfile to be more canonical and have less spurious warnings during build

Fix some miscellaneous docker pull progress bar display issues

Migrate more miscellaneous packages under the "pkg" folder
Update TextMate highlighting to automatically be enabled for files named "Dockerfile"
Reorganize syntax highlighting files under a common "contrib/syntax" directory
Update install.sh script (https://get.docker.io/) to not fail if busybox fails to download or run at the end of the Ubuntu/Debian installation
Add support for container names in bash completion

Packaging

Add an official Docker client binary for Darwin (Mac OS X)

Remove empty "Vendor" string and added "License" on deb package

Add a stubbed version of "/etc/default/docker" in the deb package

Runtime

Update layer application to extract tars in place, avoiding file churn while handling whiteouts

Fix permissiveness of mtime comparisons in tar handling (since GNU tar and Go tar do not yet support sub-second mtime precision)

Reimplement docker top in pure Go to work more consistently, and even inside Docker-in-Docker (thus removing the shell injection vulnerability present in some versions of lxc-ps)

Update -H unix:// to work similarly to -H tcp:// by inserting the default values for missing portions

Fix more edge cases regarding dockerinit and deleted or replaced docker or dockerinit files

Update container name validation to include '.'

Fix use of a symlink or non-absolute path as the argument to -g to work as expected

Update to handle external mounts outside of LXC, fixing many small mounting quirks and making future execution backends and other features simpler
Update to use proper box-drawing characters everywhere in docker images -tree
Move MTU setting from LXC configuration to directly use netlink
Add -S option to external tar invocation for more efficient spare file handling

Add arch/os info to User-Agent string, especially for registry requests
Add -mtu option to Docker daemon for configuring MTU

Fix docker build to exit with a non-zero exit code on error

Add DOCKER_HOST environment variable to configure the client -H flag without specifying it manually for every invocation

0.7.2 (2013-12-16)

Runtime

Validate container names on creation with standard regex

Increase maximum image depth to 127 from 42
Continue to move api endpoints to the job api

Add -bip flag to allow specification of dynamic bridge IP via CIDR

Allow bridge creation when ipv6 is not enabled on certain systems

Set hostname and IP address from within dockerinit
Drop capabilities from within dockerinit

Fix volumes on host when symlink is present the image
Prevent deletion of image if ANY container is depending on it even if the container is not running

Update docker push to use new progress display
Use os.Lstat to allow mounting unix sockets when inspecting volumes

Adjust handling of inactive user login
Add missing defines in devicemapper for older kernels
Allow untag operations with no container validation
Add auth config to docker build

Documentation

Add more information about Docker logging

Add RHEL documentation

Add a direct example for changing the CMD that is run in a container
Update Arch installation documentation

Add section on Trusted Builds
Add Network documentation page

Other

Add new cover bundle for providing code coverage reporting

Separate integration tests in bundles
Make Tianon the hack maintainer
Update mkimage-debootstrap with more tweaks for keeping images small
Use https to get the install script
Remove vendored dotcloud/tar now that Go 1.2 has been released

0.7.1 (2013-12-05)

Documentation

Add @SvenDowideit as documentation maintainer
Add links example
Add documentation regarding ambassador pattern
Add Google Cloud Platform docs
Add dockerfile best practices

Update doc for RHEL
Update doc for registry
Update Postgres examples
Update doc for Ubuntu install
Improve remote api doc

Runtime

Add hostconfig to docker inspect
Implement docker log -f to stream logs
Add env variable to disable kernel version warning
Add -format to docker inspect
Support bind-mount for files

Fix bridge creation on RHEL
Fix image size calculation
Make sure iptables are called even if the bridge already exists
Fix issue with stderr only attach
Remove init layer when destroying a container
Fix same port binding on different interfaces
docker build now returns the correct exit code
Fix docker port to display correct port
docker build now check that the dockerfile exists client side
docker attach now returns the correct exit code
Remove the name entry when the container does not exist

Registry

Improve progress bars, add ETA for downloads
Simultaneous pulls now waits for the first to finish instead of failing

Tag only the top-layer image when pushing to registry
Fix issue with offline image transfer
Fix issue preventing using ':' in password for registry

Other

Add pprof handler for debug
Create a Makefile

Use stdlib tar that now includes fix
Improve make.sh test script
Handle SIGQUIT on the daemon
Disable verbose during tests
Upgrade to go1.2 for official build
Improve unit tests
The test suite now runs all tests even if one fails
Refactor C in Go (Devmapper)

Fix OS X compilation

0.7.0 (2013-11-25)

Notable features since 0.6.0

Storage drivers: choose from aufs, device-mapper, or vfs.
Standard Linux support: docker now runs on unmodified Linux kernels and all major distributions.
Links: compose complex software stacks by connecting containers to each other.
Container naming: organize your containers by giving them memorable names.
Advanced port redirects: specify port redirects per interface, or keep sensitive ports private.
Offline transfer: push and pull images to the filesystem without losing information.
Quality: numerous bugfixes and small usability improvements. Significant increase in test coverage.

0.6.7 (2013-11-21)

Runtime

Improve stability, fixes some race conditions
Skip the volumes mounted when deleting the volumes of container.
Fix layer size computation: handle hard links correctly
Use the work Path for docker cp CONTAINER:PATH
Fix tmp dir never cleanup
Speedup docker ps
More informative error message on name collisions
Fix nameserver regex
Always return long id's
Fix container restart race condition
Keep published ports on docker stop;docker start
Fix container networking on Fedora
Correctly express "any address" to iptables
Fix network setup when reconnecting to ghost container
Prevent deletion if image is used by a running container
Lock around read operations in graph

RemoteAPI

Return full ID on docker rmi

Client

Add -tree option to images
Offline image transfer

Exit with status 2 on usage error and display usage on stderr
Do not forward SIGCHLD to container
Use string timestamp for docker events -since

Other

Update to go 1.2rc5

Add /etc/default/docker support to upstart

0.6.6 (2013-11-06)

Runtime

Ensure container name on register
Fix regression in /etc/hosts

Add lock around write operations in graph

Check if port is valid
Fix restart runtime error with ghost container networking

Add some more colors and animals to increase the pool of generated names

Fix issues in docker inspect

Escape apparmor confinement
Set environment variables using a file.

Prevent docker insert to erase something

Prevent DNS server conflicts in CreateBridgeIface
Validate bind mounts on the server side
Use parent image config in docker build

Fix regression in /etc/hosts

Client

Add -P flag to publish all exposed ports
Add -notrunc and -q flags to docker history

Fix docker commit, tag and import usage

Add stars, trusted builds and library flags in docker search

Fix docker logs with tty

RemoteAPI

Make /events API send headers immediately
Do not split last column docker top

Add size to history

Other

Contrib: Desktop integration. Firefox usecase.
Dockerfile: bump to go1.2rc3

0.6.5 (2013-10-29)

Runtime

Containers can now be named
Containers can now be linked together for service discovery
'run -a', 'start -a' and 'attach' can forward signals to the container for better integration with process supervisors
Automatically start crashed containers after a reboot
Expose IP, port, and proto as separate environment vars for container links

Allow ports to be published to specific ips
Prohibit inter-container communication by default

Ignore ErrClosedPipe for stdin in Container.Attach
Remove unused field kernelVersion

Fix issue when mounting subdirectories of /mnt in container

Fix untag during removal of images

Check return value of syscall.Chdir when changing working directory inside dockerinit

Client

Only pass stdin to hijack when needed to avoid closed pipe errors

Use less reflection in command-line method invocation

Monitor the tty size after starting the container, not prior
Remove useless os.Exit() calls after log.Fatal

Hack

Add initial init scripts library and a safer Ubuntu packaging script that works for Debian

Add -p option to invoke debootstrap with http_proxy

Update install.sh with $sh_c to get sudo/su for modprobe

Update all the mkimage scripts to use --numeric-owner as a tar argument
Update hack/release.sh process to automatically invoke hack/make.sh and bail on build and test issues

Other

Documentation: Fix the flags for nc in example
Testing: Remove warnings and prevent mount issues

Testing: Change logic for tty resize to avoid warning in tests
Builder: Fix race condition in docker build with verbose output
Registry: Fix content-type for PushImageJSONIndex method

Contrib: Improve helper tools to generate debian and Arch linux server images

0.6.4 (2013-10-16)

Runtime

Add cleanup of container when Start() fails

Add better comments to utils/stdcopy.go
Add utils.Errorf for error logging

Add -rm to docker run for removing a container on exit

Remove error messages which are not actually errors
Fix docker rm with volumes
Fix some error cases where an HTTP body might not be closed
Fix panic with wrong dockercfg file
Fix the attach behavior with -i

Record termination time in state.

Use empty string so TempDir uses the OS's temp dir automatically
Make sure to close the network allocators

Autorestart containers by default

Bump vendor kr/pty to commit 3b1f6487b (syscall.O_NOCTTY)
lxc: Allow set_file_cap capability in container

Move run -rm to the cli only

Split stdout stderr
Always create a new session for the container

Testing

Add aggregated docker-ci email report
Add cleanup to remove leftover containers

Add nightly release to docker-ci
Add more tests around auth.ResolveAuthConfig

Remove a few errors in tests
Catch errClosing error when TCP and UDP proxies are terminated

Only run certain tests with TESTFLAGS='-run TestName' make.sh
Prevent docker-ci to test closing PRs
Replace panic by log.Fatal in tests

Increase TestRunDetach timeout

Documentation

Add initial draft of the Docker infrastructure doc
Add devenvironment link to CONTRIBUTING.md
Add apt-get install curl to Ubuntu docs
Add explanation for export restrictions
Add .dockercfg doc
Remove Gentoo install notes about #1422 workaround
Fix help text for -v option
Fix Ping endpoint documentation

Fix parameter names in docs for ADD command
Fix ironic typo in changelog

Various command fixes in postgres example
Document how to edit and release docs

Minor updates to postgresql_service.rst

Clarify LGTM process to contributors

Corrected error in the package name

Document what vagrant up is actually doing

improve doc search results

Cleanup whitespace in API 1.5 docs
use angle brackets in MAINTAINER example email
Update archlinux.rst

Changes to a new style for the docs. Includes version switcher.

Formatting, add information about multiline json
Improve registry and index REST API documentation

Replace deprecated upgrading reference to docker-latest.tgz, which hasn't been updated since 0.5.3

Update Gentoo installation documentation now that we're in the portage tree proper
Cleanup and reorganize docs and tooling for contributors and maintainers

Minor spelling correction of protocoll -> protocol

Contrib

Add vim syntax highlighting for Dockerfiles from @honza
Add mkimage-arch.sh
Reorganize contributed completion scripts to add zsh completion

Hack

Add vagrant user to the docker group
Add proper bash completion for "docker push"
Add xz utils as a runtime dep
Add cleanup/refactor portion of #2010 for hack and Dockerfile updates

Add contrib/mkimage-centos.sh back (from #1621), and associated documentation link

Add several of the small make.sh fixes from #1920, and make the output more consistent and contributor-friendly

Add @tianon to hack/MAINTAINERS

Improve network performance for VirtualBox
Revamp install.sh to be usable by more people, and to use official install methods whenever possible (apt repo, portage tree, etc.)

Fix contrib/mkimage-debian.sh apt caching prevention

Add Dockerfile.tmLanguage to contrib

Configured FPM to make /etc/init/docker.conf a config file
Enable SSH Agent forwarding in Vagrant VM
Several small tweaks/fixes for contrib/mkimage-debian.sh

Other

Builder: Abort build if mergeConfig returns an error and fix duplicate error message
Packaging: Remove deprecated packaging directory
Registry: Use correct auth config when logging in.
Registry: Fix the error message so it is the same as the regex

0.6.3 (2013-09-23)

Packaging

Add 'docker' group on install for ubuntu package
Update tar vendor dependency
Download apt key over HTTPS

Runtime

Only copy and change permissions on non-bindmount volumes

Allow multiple volumes-from

Fix HTTP imports from STDIN

Documentation

Update section on extracting the docker binary after build
Update development environment docs for new build process
Remove 'base' image from documentation

Other

Client: Fix detach issue
Registry: Update regular expression to match index

0.6.2 (2013-09-17)

Runtime

Add domainname support
Implement image filtering with path.Match

Remove unnecessary warnings
Remove os/user dependency
Only mount the hostname file when the config exists
Handle signals within the docker login command

UID and GID are now also applied to volumes
docker start set error code upon error
docker run set the same error code as the process started

Builder

Add -rm option in order to remove intermediate containers

Allow multiline for the RUN instruction

Registry

Implement login with private registry

Fix push issues

Other

Hack: Vendor all dependencies

Remote API: Bump to v1.5
Packaging: Break down hack/make.sh into small scripts, one per 'bundle': test, binary, ubuntu etc.
Documentation: General improvements

0.6.1 (2013-08-23)

Registry

Pass "meta" headers in API calls to the registry

Packaging

Use correct upstart script with new build tool
Use libffi-dev, don`t build it from sources
Remove duplicate mercurial install command

0.6.0 (2013-08-22)

Runtime

Add lxc-conf flag to allow custom lxc options
Add an option to set the working directory

Add Image name to LogEvent tests

Add -privileged flag and relevant tests, docs, and examples

Add websocket support to /container//attach/ws
Add warning when net.ipv4.ip_forwarding = 0
Add hostname to environment
Add last stable version in docker version

Fix race conditions in parallel pull
Fix Graph ByParent() to generate list of child images per parent image.
Fix typo: fmt.Sprint -> fmt.Sprintf
Fix small \n error un docker build

Fix to "Inject dockerinit at /.dockerinit"
Fix #910. print user name to docker info output
Use Go 1.1.2 for dockerbuilder
Use ranged for loop on channels

Use utils.ParseRepositoryTag instead of strings.Split(name, ":") in server.ImageDelete
Improve CMD, ENTRYPOINT, and attach docs.
Improve connect message with socket error
Load authConfig only when needed and fix useless WARNING
Show tag used when image is missing

Apply volumes-from before creating volumes

Make docker run handle SIGINT/SIGTERM
Prevent crash when .dockercfg not readable
Install script should be fetched over https, not http.

API, issue 1471: Use groups for socket permissions

Correctly detect IPv4 forwarding

Mount /dev/shm as a tmpfs

Switch from http to https for get.docker.io

Let userland proxy handle container-bound traffic
Update the Docker CLI to specify a value for the "Host" header.

Change network range to avoid conflict with EC2 DNS
Reduce connect and read timeout when pinging the registry

Parallel pull

Handle ip route showing mask-less IP addresses

Allow ENTRYPOINT without CMD

Always consider localhost as a domain name when parsing the FQN repos name

Refactor checksum

Documentation

Add MongoDB image example
Add instructions for creating and using the docker group
Add sudo to examples and installation to documentation
Add ufw doc
Add a reference to ps -a
Add information about Docker`s high level tools over LXC.
Fix typo in docs for docker run -dns
Fix a typo in the ubuntu installation guide
Fix to docs regarding adding docker groups
Update default -H docs
Update readme with dependencies for building
Update amazon.rst to explain that Vagrant is not necessary for running Docker on ec2
PostgreSQL service example in documentation
Suggest installing linux-headers by default.
Change the twitter handle
Clarify Amazon EC2 installation
'Base' image is deprecated and should no longer be referenced in the docs.
Move note about officially supported kernel

Solved the logo being squished in Safari

Builder

Add USER instruction do Dockerfile
Add workdir support for the Buildfile

Add no cache for docker build

Fix docker build and docker events output
Only count known instructions as build steps
Make sure ENV instruction within build perform a commit each time
Forbid certain paths within docker build ADD
Repository name (and optionally a tag) in build usage
Make sure ADD will create everything in 0755

Remote API

Sort Images by most recent creation date.
Reworking opaque requests in registry module
Add image name in /events
Use mime pkg to parse Content-Type
650 http utils and user agent field

Hack

Bash Completion: Limit commands to containers of a relevant state

Add docker dependencies coverage testing into docker-ci

Packaging

Docker-brew 0.5.2 support and memory footprint reduction

Add new docker dependencies into docker-ci

Revert "docker.upstart: avoid spawning a sh process"

Docker-brew and Docker standard library
Release docker with docker

Fix the upstart script generated by get.docker.io
Enabled the docs to generate manpages.
Revert Bind daemon to 0.0.0.0 in Vagrant.

Register

Improve auth push
Registry unit tests + mock registry

Tests

Improve TestKillDifferentUser to prevent timeout on buildbot

Fix typo in TestBindMounts (runContainer called without image)

Improve TestGetContainersTop so it does not rely on sleep
Relax the lo interface test to allow iface index != 1
Add registry functional test to docker-ci
Add some tests in server and utils

Other

Contrib: bash completion script
Client: Add docker cp command and copy api endpoint to copy container files/folders to the host
Don`t read from stdout when only attached to stdin

0.5.3 (2013-08-13)

Runtime

Use docker group for socket permissions

Spawn shell within upstart script
Handle ip route showing mask-less IP addresses
Add hostname to environment

Builder

Make sure ENV instruction within build perform a commit each time

0.5.2 (2013-08-08)

Builder: Forbid certain paths within docker build ADD

Runtime: Change network range to avoid conflict with EC2 DNS

API: Change daemon to listen on unix socket by default

0.5.1 (2013-07-30)

Runtime

Add ps args to docker top
Add support for container ID files (pidfile like)
Add container=lxc in default env
Support networkless containers with docker run -n and docker -d -b=none

Stdout/stderr logs are now stored in the same file as JSON
Allocate a /16 IP range by default, with fallback to /24. Try 12 ranges instead of 3.
Change .dockercfg format to json and support multiple auth remote

Do not override volumes from config
Fix issue with EXPOSE override

API

Docker client now sets useragent (RFC 2616)
Add /events endpoint

Builder

ADD command now understands URLs
CmdAdd and CmdEnv now respect Dockerfile-set ENV variables

Create directories with 755 instead of 700 within ADD instruction

Hack

Simplify unit tests with helpers
Improve docker.upstart event
Add coverage testing into docker-ci

0.5.0 (2013-07-17)

Runtime

List all processes running inside a container with 'docker top'
Host directories can be mounted as volumes with 'docker run -v'
Containers can expose public UDP ports (eg, '-p 123/udp')
Optionally specify an exact public port (eg. '-p 80:4500')

'docker login' supports additional options

Don't save a container`s hostname when committing an image.

Registry

New image naming scheme inspired by Go packaging convention allows arbitrary combinations of registries

Fix issues when uploading images to a private registry

Builder

ENTRYPOINT instruction sets a default binary entry point to a container
VOLUME instruction marks a part of the container as persistent data

'docker build' displays the full output of a build by default

0.4.8 (2013-07-01)

Builder: New build operation ENTRYPOINT adds an executable entry point to the container. - Runtime: Fix a bug which caused 'docker run -d' to no longer print the container ID.

Tests: Fix issues in the test suite

0.4.7 (2013-06-28)

Remote API

The progress bar updates faster when downloading and uploading large files

Fix a bug in the optional unix socket transport

Runtime

Improve detection of kernel version

Host directories can be mounted as volumes with 'docker run -b'

fix an issue when only attaching to stdin

Use 'tar --numeric-owner' to avoid uid mismatch across multiple hosts

Hack

Improve test suite and dev environment
Remove dependency on unit tests on 'os/user'

Other

Registry: easier push/pull to a custom registry

Documentation: add terminology section

0.4.6 (2013-06-22)

Runtime: fix a bug which caused creation of empty images (and volumes) to crash.

0.4.5 (2013-06-21)

Builder: 'docker build git://URL' fetches and builds a remote git repository

Runtime: 'docker ps -s' optionally prints container size
Tests: improved and simplified

Runtime: fix a regression introduced in 0.4.3 which caused the logs command to fail.
Builder: fix a regression when using ADD with single regular file.

0.4.4 (2013-06-19)

Builder: fix a regression introduced in 0.4.3 which caused builds to fail on new clients.

0.4.3 (2013-06-19)

Builder

ADD of a local file will detect tar archives and unpack them

ADD improvements: use tar for copy + automatically unpack local archives
ADD uses tar/untar for copies instead of calling 'cp -ar'
Fix the behavior of ADD to be (mostly) reverse-compatible, predictable and well-documented.

Fix a bug which caused builds to fail if ADD was the first command

Nicer output for 'docker build'

Runtime

Remove bsdtar dependency
Add unix socket and multiple -H support
Prevent rm of running containers
Use go1.1 cookiejar

Fix issue detaching from running TTY container
Forbid parallel push/pull for a single image/repo. Fixes #311
Fix race condition within Run command when attaching.

Client

HumanReadable ProgressBar sizes in pull
Fix docker version`s git commit output

API

Send all tags on History API call
Add tag lookup to history command. Fixes #882

Documentation

Fix missing command in irc bouncer example

0.4.2 (2013-06-17)

Packaging: Bumped version to work around an Ubuntu bug

0.4.1 (2013-06-17)

Remote Api

Add flag to enable cross domain requests
Add images and containers sizes in docker ps and docker images

Runtime

Configure dns configuration host-wide with 'docker -d -dns'
Detect faulty DNS configuration and replace it with a public default
Allow docker run :
You can now specify public port (ex: -p 80:4500)

Improve image removal to garbage-collect unreferenced parents

Client

Allow multiple params in inspect
Print the container id before the hijack in docker run

Registry

Add regexp check on repo`s name
Move auth to the client

Remove login check on pull

Other

Vagrantfile: Add the rest api port to vagrantfile`s port_forward
Upgrade to Go 1.1

Builder: dont ignore last line in Dockerfile when it doesnt end with \n

0.4.0 (2013-06-03)

Builder

Introducing Builder
'docker build' builds a container, layer by layer, from a source repository containing a Dockerfile

Remote API

Introducing Remote API
control Docker programmatically using a simple HTTP/json API

Runtime

Various reliability and usability improvements

0.3.4 (2013-05-30)

Builder

'docker build' builds a container, layer by layer, from a source repository containing a Dockerfile
'docker build -t FOO' applies the tag FOO to the newly built container.

Runtime

Interactive TTYs correctly handle window resize

Fix how configuration is merged between layers

Remote API

Split stdout and stderr on 'docker run'
Optionally listen on a different IP and port (use at your own risk)

Documentation

Improve install instructions.

0.3.3 (2013-05-23)

Registry: Fix push regression
Various bugfixes

0.3.2 (2013-05-09)

Registry

Improve the checksum process
Use the size to have a good progress bar while pushing
Use the actual archive if it exists in order to speed up the push

Fix error 400 on push

Runtime

Store the actual archive on commit

0.3.1 (2013-05-08)

Builder

Implement the autorun capability within docker builder
Add caching to docker builder
Add support for docker builder with native API as top level command
Implement ENV within docker builder

Check the command existence prior create and add Unit tests for the case

use any whitespaces instead of tabs

Runtime

Add go version to debug infos

Kernel version - don`t show the dash if flavor is empty

Registry

Add docker search top level command in order to search a repository

Fix pull for official images with specific tag
Fix issue when login in with a different user and trying to push

Improve checksum - async calculation

Images

Output graph of images to dot (graphviz)

Fix ByParent function

Documentation

New introduction and high-level overview
Add the documentation for docker builder

CSS fix for docker documentation to make REST API docs look better.
Fix CouchDB example page header mistake
Fix README formatting

Update www.docker.io website.

Other

Website: new high-level overview

Makefile: Swap "go get" for "go get -d", especially to compile on go1.1rc

Packaging: packaging ubuntu; issue #510: Use goland-stable PPA package to build docker

0.3.0 (2013-05-06)

Runtime

Fix the command existence check
strings.Split may return an empty string on no match
Fix an index out of range crash if cgroup memory is not

Documentation

Various improvements

New example: sharing data between 2 couchdb databases

Other

Vagrant: Use only one deb line in /etc/apt

Registry: Implement the new registry

0.2.2 (2013-05-03)

Support for data volumes ('docker run -v=PATH')
Share data volumes between containers ('docker run -volumes-from')
Improve documentation

Upgrade to Go 1.0.3
Various upgrades to the dev environment for contributors

0.2.1 (2013-05-01)

'docker commit -run' bundles a layer with default runtime options: command, ports etc.

Improve install process on Vagrant

New Dockerfile operation: "maintainer"
New Dockerfile operation: "expose"
New Dockerfile operation: "cmd"
Contrib script to build a Debian base layer
'docker -d -r': restart crashed containers at daemon startup

Runtime: improve test coverage

0.2.0 (2013-04-23)

Runtime: ghost containers can be killed and waited for

Documentation: update install instructions

Packaging: fix Vagrantfile
Development: automate releasing binaries and ubuntu packages

Add a changelog

Various bugfixes

0.1.8 (2013-04-22)

Dynamically detect cgroup capabilities
Issue stability warning on kernels <3.8
'docker push' buffers on disk instead of memory
Fix 'docker diff' for removed files
Fix 'docker stop' for ghost containers
Fix handling of pidfile
Various bugfixes and stability improvements

0.1.7 (2013-04-18)

Container ports are available on localhost
'docker ps' shows allocated TCP ports
Contributors can run 'make hack' to start a continuous integration VM
Streamline ubuntu packaging & uploading
Various bugfixes and stability improvements

0.1.6 (2013-04-17)

Record the author an image with 'docker commit -author'

0.1.5 (2013-04-17)

Disable standalone mode
Use a custom DNS resolver with 'docker -d -dns'
Detect ghost containers
Improve diagnosis of missing system capabilities
Allow disabling memory limits at compile time
Add debian packaging
Documentation: installing on Arch Linux
Documentation: running Redis on docker
Fix lxc 0.9 compatibility
Automatically load aufs module
Various bugfixes and stability improvements

0.1.4 (2013-04-09)

Full support for TTY emulation
Detach from a TTY session with the escape sequence C-p C-q
Various bugfixes and stability improvements
Minor UI improvements
Automatically create our own bridge interface 'docker0'

0.1.3 (2013-04-04)

Choose TCP frontend port with '-p :PORT'
Layer format is versioned
Major reliability improvements to the process manager
Various bugfixes and stability improvements

0.1.2 (2013-04-03)

Set container hostname with 'docker run -h'
Selective attach at run with 'docker run -a [stdin[,stdout[,stderr]]]'
Various bugfixes and stability improvements
UI polish
Progress bar on push/pull
Use XZ compression by default
Make IP allocator lazy

0.1.1 (2013-03-31)

Display shorthand IDs for convenience
Stabilize process management
Layers can include a commit message
Simplified 'docker attach'
Fix support for re-attaching
Various bugfixes and stability improvements
Auto-download at run
Auto-login on push
Beefed up documentation

0.1.0 (2013-03-23)

Initial public release

Implement registry in order to push/pull images
TCP port allocation
Fix termcaps on Linux
Add documentation
Add Vagrant support with Vagrantfile
Add unit tests
Add repository/tags to ease image management
Improve the layer implementation

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Changelog

1.13.0 (2016-12-08)

Builder

Contrib

Distribution

Logging

Networking

Plugins

Remote API (v1.25) & Client

Runtime

Swarm Mode

Volume

Security

DEPRECATION

1.12.6 (2017-01-10)

Runtime

1.12.5 (2016-12-15)

Runtime

Networking

Contrib

1.12.4 (2016-12-12)

Runtime

Swarm Mode

Networking

Logging

Contrib

1.12.3 (2016-10-26)

Runtime

Swarm Mode

Networking

Logging

Contrib

1.12.2 (2016-10-11)

Runtime

Networking

Swarm Mode

Contrib

Windows

1.12.1 (2016-08-18)

Client

Contrib

Networking

Plugins (experimental)

Runtime

Security

Swarm

Volume

1.12.0 (2016-07-28)

Builder

Contrib

Distribution

Logging

Networking

Plugins (experimental)

Remote API (v1.24) & Client

Runtime

Swarm Mode

Volume

DEPRECATION

1.11.2 (2016-05-31)

Networking

Runtime

1.11.1 (2016-04-26)

Distribution

Documentation

Builder

Networking

Runtime

1.11.0 (2016-04-13)

Builder

Client

Distribution

Logging

Misc

Networking

Plugins

Runtime

Security

Volumes

175 KiB

Исходник Ответственный История