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builder: add an option for specifying build target 

Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>
This commit is contained in:
Tonis Tiigi 2017-04-10 15:27:42 -07:00
parent eddc5b9d9e
commit ae43081d1d
1 changed files with 3 additions and 0 deletions
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3
command/image/build.go
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@ -64,6 +64,7 @@ type buildOptions struct {
securityOpt []string
networkMode string
squash bool
target string
}
// NewBuildCommand creates a new `docker build` command
@ -115,6 +116,7 @@ func NewBuildCommand(dockerCli *command.DockerCli) *cobra.Command {
flags.StringVar(&options.networkMode, "network", "default", "Set the networking mode for the RUN instructions during build")
flags.SetAnnotation("network", "version", []string{"1.25"})
flags.Var(&options.extraHosts, "add-host", "Add a custom host-to-IP mapping (host:ip)")
flags.StringVar(&options.target, "target", "", "Set the target build stage to build.")
command.AddTrustVerificationFlags(flags)
@ -302,6 +304,7 @@ func runBuild(dockerCli *command.DockerCli, options buildOptions) error {
NetworkMode: options.networkMode,
Squash: options.squash,
ExtraHosts: options.extraHosts.GetAll(),
Target: options.target,
}
response, err := dockerCli.Client().ImageBuild(ctx, body, buildOptions)