Remove support for `DOCKER_HOST` in `.env` files (#9871)

Revert "Merge pull request #9817 from ulyssessouza/apply-newly-loaded-envvars"

This reverts commit 126cb988c6, reversing
changes made to b80222fb07.

Signed-off-by: Milas Bowman <milas.bowman@docker.com>

cmd/compose/compose.go

@@ -25,7 +25,6 @@ import (
 	"strings"
 	"syscall"
 
-	cnabgodocker "github.com/cnabio/cnab-go/driver/docker"
 	"github.com/compose-spec/compose-go/cli"
 	"github.com/compose-spec/compose-go/types"
 	composegoutils "github.com/compose-spec/compose-go/utils"
@@ -33,7 +32,6 @@ import (
 	dockercli "github.com/docker/cli/cli"
 	"github.com/docker/cli/cli-plugins/manager"
 	"github.com/docker/cli/cli/command"
-	"github.com/docker/docker/client"
 	"github.com/morikuni/aec"
 	"github.com/pkg/errors"
 	"github.com/sirupsen/logrus"
@@ -293,16 +291,6 @@ func RootCommand(dockerCli command.Cli, backend api.Service) *cobra.Command {
 			if err != nil {
 				return err
 			}
-			// Reset DockerCli and APIClient to get possible `DOCKER_HOST` and/or `DOCKER_CONTEXT` loaded from environment file.
-			err = dockerCli.Apply(func(cli *command.DockerCli) error {
-				return cli.Initialize(cnabgodocker.BuildDockerClientOptions(),
-					command.WithInitializeClient(func(_ *command.DockerCli) (client.APIClient, error) {
-						return nil, nil
-					}))
-			})
-			if err != nil {
-				return err
-			}
 			parent := cmd.Root()
 			if parent != nil {
 				parentPrerun := parent.PersistentPreRunE

go.mod

@@ -5,7 +5,6 @@ go 1.19
 require (
 	github.com/AlecAivazis/survey/v2 v2.3.6
 	github.com/buger/goterm v1.0.4
-	github.com/cnabio/cnab-go v0.24.1-0.20220907172316-1ca5c8721bf7
 	github.com/cnabio/cnab-to-oci v0.3.7
 	github.com/compose-spec/compose-go v1.5.1
 	github.com/containerd/console v1.0.3
@@ -45,6 +44,7 @@ require (
 	github.com/Microsoft/go-winio v0.5.2 // indirect
 	github.com/beorn7/perks v1.0.1 // indirect
 	github.com/cespare/xxhash/v2 v2.1.2 // indirect
+	github.com/cnabio/cnab-go v0.23.4 // indirect
 	github.com/containerd/continuity v0.2.3-0.20220330195504-d132b287edc8 // indirect
 	github.com/containerd/ttrpc v1.1.0 // indirect
 	github.com/containerd/typeurl v1.0.2 // indirect
@@ -133,8 +133,6 @@ require (
 	github.com/cenkalti/backoff/v4 v4.1.2 // indirect
 	github.com/cyberphone/json-canonicalization v0.0.0-20210303052042-6bc126869bf4 // indirect
 	github.com/googleapis/gnostic v0.5.5 // indirect
-	github.com/mitchellh/copystructure v1.0.0 // indirect
-	github.com/mitchellh/reflectwalk v1.0.0 // indirect
 	github.com/moby/spdystream v0.2.0 // indirect
 	github.com/serialx/hashring v0.0.0-20190422032157-8b2912629002 // indirect
 	github.com/zmap/zcrypto v0.0.0-20220605182715-4dfcec6e9a8c // indirect

go.sum

@@ -269,8 +269,8 @@ github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDk
 github.com/cloudflare/cfssl v0.0.0-20180223231731-4e2dcbde5004/go.mod h1:yMWuSON2oQp+43nFtAV/uvKQIFpSPerB57DCt9t8sSA=
 github.com/cloudflare/cfssl v0.0.0-20181213083726-b94e044bb51e/go.mod h1:yMWuSON2oQp+43nFtAV/uvKQIFpSPerB57DCt9t8sSA=
 github.com/cloudflare/cfssl v1.4.1 h1:vScfU2DrIUI9VPHBVeeAQ0q5A+9yshO1Gz+3QoUQiKw=
-github.com/cnabio/cnab-go v0.24.1-0.20220907172316-1ca5c8721bf7 h1:6cETeoyahKaH4hNShuB4KUqkTdjLVKEpTakHW5bpDW8=
-github.com/cnabio/cnab-go v0.24.1-0.20220907172316-1ca5c8721bf7/go.mod h1:Zm0HTH8xxzinB64SXm7KFSna7DEN0ZjZwrRwZpfgChU=
+github.com/cnabio/cnab-go v0.23.4 h1:jplQcSnvFyQlD6swiqL3BmqRnhbnS+lc/EKdBLH9E80=
+github.com/cnabio/cnab-go v0.23.4/go.mod h1:9EmgHR51LFqQStzaC+xHPJlkD4OPsF6Ev5Y8e/YHEns=
 github.com/cnabio/cnab-to-oci v0.3.7 h1:wA2AG3HQMaJZhWlr3zsfVoa2m5B1R/SP+YcoFuNfP9o=
 github.com/cnabio/cnab-to-oci v0.3.7/go.mod h1:AvVNl0Hh3VBk1zqeLdyE5S3bTQ5EsZPPF4mUUJYyy1Y=
 github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc=
@@ -1002,8 +1002,6 @@ github.com/miekg/pkcs11 v1.1.1 h1:Ugu9pdy6vAYku5DEpVWVFPYnzV+bxB+iRdbuFSu7TvU=
 github.com/miekg/pkcs11 v1.1.1/go.mod h1:XsNlhZGX73bx86s2hdc/FuaLm2CPZJemRLMA+WTFxgs=
 github.com/mistifyio/go-zfs v2.1.2-0.20190413222219-f784269be439+incompatible/go.mod h1:8AuVvqP/mXw1px98n46wfvcGfQ4ci2FwoAjKYxuo3Z4=
 github.com/mitchellh/cli v1.0.0/go.mod h1:hNIlj7HEI86fIcpObd7a0FcrxTWetlwJDGcceTlRvqc=
-github.com/mitchellh/copystructure v1.0.0 h1:Laisrj+bAB6b/yJwB5Bt3ITZhGJdqmxquMKeZ+mmkFQ=
-github.com/mitchellh/copystructure v1.0.0/go.mod h1:SNtv71yrdKgLRyLFxmLdkAbkKEFWgYaq1OVrnRcwhnw=
 github.com/mitchellh/go-homedir v1.0.0/go.mod h1:SfyaCUpYCn1Vlf4IUYiD9fPX4A5wJrkLzIz1N1q0pr0=
 github.com/mitchellh/go-homedir v1.1.0/go.mod h1:SfyaCUpYCn1Vlf4IUYiD9fPX4A5wJrkLzIz1N1q0pr0=
 github.com/mitchellh/go-ps v0.0.0-20190716172923-621e5597135b/go.mod h1:r1VsdOzOPt1ZSrGZWFoNhsAedKnEd6r9Np1+5blZCWk=
@@ -1022,8 +1020,6 @@ github.com/mitchellh/mapstructure v1.4.3/go.mod h1:bFUtVrKA4DC2yAKiSyO/QUcy7e+RR
 github.com/mitchellh/mapstructure v1.5.0 h1:jeMsZIYE/09sWLaz43PL7Gy6RuMjD2eJVyuac5Z2hdY=
 github.com/mitchellh/mapstructure v1.5.0/go.mod h1:bFUtVrKA4DC2yAKiSyO/QUcy7e+RRV2QTWOzhPopBRo=
 github.com/mitchellh/osext v0.0.0-20151018003038-5e2d6d41470f/go.mod h1:OkQIRizQZAeMln+1tSwduZz7+Af5oFlKirV/MSYes2A=
-github.com/mitchellh/reflectwalk v1.0.0 h1:9D+8oIskB4VJBN5SFlmc27fSlIBZaov1Wpk/IfikLNY=
-github.com/mitchellh/reflectwalk v1.0.0/go.mod h1:mSTlrgnPZtwu0c4WaC2kGObEpuNDbx0jmZXqmk4esnw=
 github.com/moby/buildkit v0.8.1/go.mod h1:/kyU1hKy/aYCuP39GZA9MaKioovHku57N6cqlKZIaiQ=
 github.com/moby/buildkit v0.10.1-0.20220403220257-10e6f94bf90d/go.mod h1:WvwAZv8aRScHkqc/+X46cRC2CKMKpqcaX+pRvUTtPes=
 github.com/moby/buildkit v0.10.4 h1:FvC+buO8isGpUFZ1abdSLdGHZVqg9sqI4BbFL8tlzP4=