зеркало из https://github.com/microsoft/docker.git
- Improved documentation and typos fixing (Thanks to @jamtur01)
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@ -7,9 +7,9 @@
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Working with Links and Names
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============================
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From version 0.6.5 you are able to ``name`` a container and ``link`` it to another
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container by referring its name. This will create a relation parent->child where
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the parent container can see all the important information about its child.
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From version 0.6.5 you are now able to ``name`` a container and ``link`` it to another
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container by referring to its name. This will create a parent -> child relationship
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where the parent container can see selected information about its child.
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.. _run_name:
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@ -18,14 +18,19 @@ Container Naming
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.. versionadded:: v0.6.5
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You can now name your container by using ``-name`` flag. If no name is provided,
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Docker will automatically generate a name which can be seen by typing: ``docker ps``.
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You can now name your container by using the ``-name`` flag. If no name is provided, Docker
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will automatically generate a name. You can see this name using the ``docker ps`` command.
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.. code-block:: bash
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# format is "sudo docker run -name <container_name> <image_name> <command>"
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$ sudo docker run -name test ubuntu /bin/bash
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# the flag "-a" Show all containers. Only running containers are shown by default.
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$ sudo docker ps -a
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CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
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2522602a0d99 ubuntu:12.04 /bin/bash 14 seconds ago Exit 0 test
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.. _run_link:
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Links: service discovery for docker
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@ -39,7 +44,8 @@ flag ``-icc=false``. With this flag set to false, Container A cannot access Cont
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unless explicitly allowed via a link. This is a huge win for securing your containers.
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When two containers are linked together Docker creates a parent child relationship
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between the containers. The parent container will be able to access information via
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env variables of the child such as name, exposed ports, ip, and environment variables.
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environment variables of the child such as name, exposed ports, IP and other selected
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environment variables.
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When linking two containers Docker will use the exposed ports of the container to create
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a secure tunnel for the parent to access. If a database container only exposes port 8080
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@ -76,7 +82,7 @@ about the child container.
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.. code-block:: bash
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$ sroot@4c01db0b339c:/# env
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$ root@4c01db0b339c:/# env
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HOSTNAME=4c01db0b339c
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DB_NAME=/webapp/db
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