// GenerateConfigFromLabels generates the S2I Config struct from the Docker
// image labels.
func GenerateConfigFromLabels(image string, config *api.Config) error {
d, err := docker.New(config.DockerConfig, config.PullAuthentication)
if err != nil {
return err
}
var source *dockerclient.Image
if config.ForcePull {
source, err = d.PullImage(image)
} else {
source, err = d.CheckAndPullImage(image)
}
if err != nil {
return err
}
if builderVersion, ok := source.Config.Labels["io.openshift.builder-version"]; ok {
config.BuilderImageVersion = builderVersion
config.BuilderBaseImageVersion = source.Config.Labels["io.openshift.builder-base-version"]
}
config.ScriptsURL = source.Config.Labels[api.DefaultNamespace+"scripts-url"]
if len(config.ScriptsURL) == 0 {
// FIXME: Backward compatibility
config.ScriptsURL = source.Config.Labels["io.s2i.scripts-url"]
}
config.Description = source.Config.Labels[api.KubernetesNamespace+"description"]
config.DisplayName = source.Config.Labels[api.KubernetesNamespace+"display-name"]
if builder, ok := source.Config.Labels[api.DefaultNamespace+"build.image"]; ok {
config.BuilderImage = builder
} else {
return fmt.Errorf("Required label %q not found in image", api.DefaultNamespace+"build.image")
}
if repo, ok := source.Config.Labels[api.DefaultNamespace+"build.source-location"]; ok {
config.Source = repo
} else {
return fmt.Errorf("Required label %q not found in image", api.DefaultNamespace+"source-location")
}
config.ContextDir = source.Config.Labels[api.DefaultNamespace+"build.source-context-dir"]
config.Ref = source.Config.Labels[api.DefaultNamespace+"build.commit.ref"]
return nil
}
// GenerateConfigFromLabels generates the S2I Config struct from the Docker
// image labels.
func GenerateConfigFromLabels(config *api.Config, metadata *docker.PullResult) error {
if config == nil {
return errors.New("config must be provided to GenerateConfigFromLabels")
}
if metadata == nil {
return errors.New("image metadata must be provided to GenerateConfigFromLabels")
}
labels := metadata.Image.Config.Labels
if builderVersion, ok := labels["io.openshift.builder-version"]; ok {
config.BuilderImageVersion = builderVersion
config.BuilderBaseImageVersion = labels["io.openshift.builder-base-version"]
}
config.ScriptsURL = labels[api.DefaultNamespace+"scripts-url"]
if len(config.ScriptsURL) == 0 {
// FIXME: Backward compatibility
config.ScriptsURL = labels["io.s2i.scripts-url"]
}
config.Description = labels[api.KubernetesNamespace+"description"]
config.DisplayName = labels[api.KubernetesNamespace+"display-name"]
if builder, ok := labels[api.DefaultNamespace+"build.image"]; ok {
config.BuilderImage = builder
} else {
return fmt.Errorf("Required label %q not found in image", api.DefaultNamespace+"build.image")
}
if repo, ok := labels[api.DefaultNamespace+"build.source-location"]; ok {
config.Source = repo
} else {
return fmt.Errorf("Required label %q not found in image", api.DefaultNamespace+"source-location")
}
config.ContextDir = labels[api.DefaultNamespace+"build.source-context-dir"]
config.Ref = labels[api.DefaultNamespace+"build.commit.ref"]
return nil
}
// GenerateConfigFromLabels generates the S2I Config struct from the Docker
// image labels.
func GenerateConfigFromLabels(config *api.Config) error {
result, err := docker.GetBuilderImage(config)
if err != nil {
return err
}
labels := result.Image.Config.Labels
if builderVersion, ok := labels["io.openshift.builder-version"]; ok {
config.BuilderImageVersion = builderVersion
config.BuilderBaseImageVersion = labels["io.openshift.builder-base-version"]
}
config.ScriptsURL = labels[api.DefaultNamespace+"scripts-url"]
if len(config.ScriptsURL) == 0 {
// FIXME: Backward compatibility
config.ScriptsURL = labels["io.s2i.scripts-url"]
}
config.Description = labels[api.KubernetesNamespace+"description"]
config.DisplayName = labels[api.KubernetesNamespace+"display-name"]
if builder, ok := labels[api.DefaultNamespace+"build.image"]; ok {
config.BuilderImage = builder
} else {
return fmt.Errorf("Required label %q not found in image", api.DefaultNamespace+"build.image")
}
if repo, ok := labels[api.DefaultNamespace+"build.source-location"]; ok {
config.Source = repo
} else {
return fmt.Errorf("Required label %q not found in image", api.DefaultNamespace+"source-location")
}
config.ContextDir = labels[api.DefaultNamespace+"build.source-context-dir"]
config.Ref = labels[api.DefaultNamespace+"build.commit.ref"]
return nil
}
func newCmdUsage(cfg *api.Config) *cobra.Command {
oldScriptsFlag := ""
oldDestination := ""
usageCmd := &cobra.Command{
Use: "usage <image>",
Short: "Print usage of the assemble script associated with the image",
Long: "Create and start a container from the image and invoke its usage script.",
Run: func(cmd *cobra.Command, args []string) {
if len(args) == 0 {
cmd.Help()
os.Exit(1)
}
cfg.Usage = true
cfg.BuilderImage = args[0]
if len(oldScriptsFlag) != 0 {
glog.Warning("DEPRECATED: Flag --scripts is deprecated, use --scripts-url instead")
cfg.ScriptsURL = oldScriptsFlag
}
if len(cfg.BuilderPullPolicy) == 0 {
cfg.BuilderPullPolicy = api.DefaultBuilderPullPolicy
}
if len(cfg.PreviousImagePullPolicy) == 0 {
cfg.PreviousImagePullPolicy = api.DefaultPreviousImagePullPolicy
}
uh, err := sti.NewUsage(cfg)
checkErr(err)
err = uh.Show()
checkErr(err)
},
}
usageCmd.Flags().StringVarP(&(oldDestination), "location", "l", "",
"Specify a destination location for untar operation")
cmdutil.AddCommonFlags(usageCmd, cfg)
return usageCmd
}
func newCmdUsage(cfg *api.Config) *cobra.Command {
oldScriptsFlag := ""
oldDestination := ""
usageCmd := &cobra.Command{
Use: "usage <image>",
Short: "Print usage of the assemble script associated with the image",
Long: "Create and start a container from the image and invoke its usage script.",
Run: func(cmd *cobra.Command, args []string) {
if len(args) == 0 {
cmd.Help()
os.Exit(1)
}
cfg.BuilderImage = args[0]
envs, err := parseEnvs(cmd, "env")
checkErr(err)
cfg.Environment = envs
if len(oldScriptsFlag) != 0 {
glog.Warning("Flag --scripts is deprecated, use --scripts-url instead")
cfg.ScriptsURL = oldScriptsFlag
}
uh, err := sti.NewUsage(cfg)
checkErr(err)
err = uh.Show()
checkErr(err)
},
}
usageCmd.Flags().StringP("env", "e", "", "Specify an environment var NAME=VALUE,NAME2=VALUE2,...")
usageCmd.Flags().StringVarP(&(cfg.ScriptsURL), "scripts-url", "s", "", "Specify a URL for the assemble and run scripts")
usageCmd.Flags().StringVar(&(oldScriptsFlag), "scripts", "", "Specify a URL for the assemble and run scripts")
usageCmd.Flags().BoolVar(&(cfg.ForcePull), "force-pull", true, "Always pull the builder image even if it is present locally")
usageCmd.Flags().BoolVar(&(cfg.PreserveWorkingDir), "save-temp-dir", false, "Save the temporary directory used by STI instead of deleting it")
usageCmd.Flags().StringVarP(&(oldDestination), "location", "l", "", "Specify a destination location for untar operation")
usageCmd.Flags().StringVarP(&(cfg.Destination), "destination", "d", "", "Specify a destination location for untar operation")
return usageCmd
}
func newCmdBuild(cfg *api.Config) *cobra.Command {
useConfig := false
oldScriptsFlag := ""
oldDestination := ""
buildCmd := &cobra.Command{
Use: "build <source> <image> [<tag>]",
Short: "Build a new image",
Long: "Build a new Docker image named <tag> (if provided) from a source repository and base image.",
Example: `
# Build an application Docker image from a Git repository
$ s2i build git://github.com/openshift/ruby-hello-world centos/ruby-22-centos7 hello-world-app
# Build from a local directory
$ s2i build . centos/ruby-22-centos7 hello-world-app
`,
Run: func(cmd *cobra.Command, args []string) {
glog.V(1).Infof("Running S2I version %q\n", version.Get())
// Attempt to restore the build command from the configuration file
if useConfig {
config.Restore(cfg, cmd)
}
// If user specifies the arguments, then we override the stored ones
if len(args) >= 2 {
cfg.Source = args[0]
cfg.BuilderImage = args[1]
if len(args) >= 3 {
cfg.Tag = args[2]
}
}
if cfg.Incremental && len(cfg.RuntimeImage) > 0 {
fmt.Fprintln(os.Stderr, "ERROR: Incremental build with runtime image isn't supported")
os.Exit(1)
}
if cfg.ForcePull {
glog.Warning("DEPRECATED: The '--force-pull' option is deprecated. Use '--pull-policy' instead")
}
if len(cfg.BuilderPullPolicy) == 0 {
cfg.BuilderPullPolicy = api.DefaultBuilderPullPolicy
}
if len(cfg.PreviousImagePullPolicy) == 0 {
cfg.PreviousImagePullPolicy = api.DefaultPreviousImagePullPolicy
}
if errs := validation.ValidateConfig(cfg); len(errs) > 0 {
for _, e := range errs {
fmt.Fprintf(os.Stderr, "ERROR: %s\n", e)
}
fmt.Println()
cmd.Help()
os.Exit(1)
}
// Persists the current command line options and config into .s2ifile
if useConfig {
config.Save(cfg, cmd)
}
// Attempt to read the .dockercfg and extract the authentication for
// docker pull
if r, err := os.Open(cfg.DockerCfgPath); err == nil {
defer r.Close()
auths := docker.LoadImageRegistryAuth(r)
cfg.PullAuthentication = docker.GetImageRegistryAuth(auths, cfg.BuilderImage)
if cfg.Incremental {
cfg.IncrementalAuthentication = docker.GetImageRegistryAuth(auths, cfg.Tag)
}
if len(cfg.RuntimeImage) > 0 {
cfg.RuntimeAuthentication = docker.GetImageRegistryAuth(auths, cfg.RuntimeImage)
}
}
if len(cfg.EnvironmentFile) > 0 {
result, err := util.ReadEnvironmentFile(cfg.EnvironmentFile)
if err != nil {
glog.Warningf("Unable to read environment file %q: %v", cfg.EnvironmentFile, err)
} else {
for name, value := range result {
cfg.Environment = append(cfg.Environment, api.EnvironmentSpec{Name: name, Value: value})
}
}
}
if len(oldScriptsFlag) != 0 {
glog.Warning("DEPRECATED: Flag --scripts is deprecated, use --scripts-url instead")
cfg.ScriptsURL = oldScriptsFlag
}
if len(oldDestination) != 0 {
glog.Warning("DEPRECATED: Flag --location is deprecated, use --destination instead")
cfg.Destination = oldDestination
}
glog.V(2).Infof("\n%s\n", describe.Config(cfg))
err := docker.CheckReachable(cfg)
if err != nil {
glog.Fatal(err)
}
builder, _, err := strategies.GetStrategy(cfg)
checkErr(err)
result, err := builder.Build(cfg)
checkErr(err)
for _, message := range result.Messages {
glog.V(1).Infof(message)
}
if cfg.RunImage {
runner, err := run.New(cfg)
checkErr(err)
err = runner.Run(cfg)
checkErr(err)
}
},
}
cmdutil.AddCommonFlags(buildCmd, cfg)
buildCmd.Flags().BoolVar(&(cfg.RunImage), "run", false, "Run resulting image as part of invocation of this command")
buildCmd.Flags().BoolVar(&(cfg.IgnoreSubmodules), "ignore-submodules", false, "Ignore all git submodules when cloning application repository")
buildCmd.Flags().VarP(&(cfg.Environment), "env", "e", "Specify an single environment variable in NAME=VALUE format")
buildCmd.Flags().StringVarP(&(cfg.Ref), "ref", "r", "", "Specify a ref to check-out")
buildCmd.Flags().StringVarP(&(cfg.AssembleUser), "assemble-user", "", "", "Specify the user to run assemble with")
buildCmd.Flags().StringVarP(&(cfg.ContextDir), "context-dir", "", "", "Specify the sub-directory inside the repository with the application sources")
buildCmd.Flags().StringVarP(&(cfg.ExcludeRegExp), "exclude", "", tar.DefaultExclusionPattern.String(), "Regular expression for selecting files from the source tree to exclude from the build, where the default excludes the '.git' directory (see https://golang.org/pkg/regexp for syntax, but note that \"\" will be interpreted as allow all files and exclude no files)")
buildCmd.Flags().StringVarP(&(cfg.ScriptsURL), "scripts-url", "s", "", "Specify a URL for the assemble, assemble-runtime and run scripts")
buildCmd.Flags().StringVar(&(oldScriptsFlag), "scripts", "", "DEPRECATED: Specify a URL for the assemble and run scripts")
buildCmd.Flags().BoolVar(&(useConfig), "use-config", false, "Store command line options to .s2ifile")
buildCmd.Flags().StringVarP(&(cfg.EnvironmentFile), "environment-file", "E", "", "Specify the path to the file with environment")
buildCmd.Flags().StringVarP(&(cfg.DisplayName), "application-name", "n", "", "Specify the display name for the application (default: output image name)")
buildCmd.Flags().StringVarP(&(cfg.Description), "description", "", "", "Specify the description of the application")
buildCmd.Flags().VarP(&(cfg.AllowedUIDs), "allowed-uids", "u", "Specify a range of allowed user ids for the builder and runtime images")
buildCmd.Flags().VarP(&(cfg.Injections), "inject", "i", "Specify a directory to inject into the assemble container")
buildCmd.Flags().VarP(&(cfg.BuildVolumes), "volume", "v", "Specify a volume to mount into the assemble container")
buildCmd.Flags().StringSliceVar(&(cfg.DropCapabilities), "cap-drop", []string{}, "Specify a comma-separated list of capabilities to drop when running Docker containers")
buildCmd.Flags().StringVarP(&(oldDestination), "location", "l", "",
"DEPRECATED: Specify a destination location for untar operation")
buildCmd.Flags().BoolVarP(&(cfg.ForceCopy), "copy", "c", false, "Use local file system copy instead of git cloning the source url")
buildCmd.Flags().StringVar(&(cfg.RuntimeImage), "runtime-image", "", "Image that will be used as the base for the runtime image")
buildCmd.Flags().VarP(&(cfg.RuntimeArtifacts), "runtime-artifact", "a", "Specify a file or directory to be copied from the builder to the runtime image")
return buildCmd
}
func newCmdBuild(cfg *api.Config) *cobra.Command {
useConfig := false
oldScriptsFlag := ""
oldDestination := ""
buildCmd := &cobra.Command{
Use: "build <source> <image> [<tag>]",
Short: "Build a new image",
Long: "Build a new Docker image named <tag> (if provided) from a source repository and base image.",
Example: `
# Build an application Docker image from a Git repository
$ s2i build git://github.com/openshift/ruby-hello-world centos/ruby-22-centos7 hello-world-app
# Build from a local directory
$ s2i build . centos/ruby-22-centos7 hello-world-app
`,
Run: func(cmd *cobra.Command, args []string) {
go cmdutil.InstallDumpOnSignal()
// Attempt to restore the build command from the configuration file
if useConfig {
config.Restore(cfg, cmd)
}
// If user specifies the arguments, then we override the stored ones
if len(args) >= 2 {
cfg.Source = args[0]
cfg.BuilderImage = args[1]
if len(args) >= 3 {
cfg.Tag = args[2]
}
}
if cfg.ForcePull {
glog.Warning("DEPRECATED: The '--force-pull' option is deprecated. Use '--pull-policy' instead")
}
if len(cfg.BuilderPullPolicy) == 0 {
cfg.BuilderPullPolicy = api.DefaultBuilderPullPolicy
}
if errs := validation.ValidateConfig(cfg); len(errs) > 0 {
for _, e := range errs {
fmt.Fprintf(os.Stderr, "ERROR: %s\n", e)
}
fmt.Println()
cmd.Help()
os.Exit(1)
}
// Persists the current command line options and config into .stifile
if useConfig {
config.Save(cfg, cmd)
}
// Attempt to read the .dockercfg and extract the authentication for
// docker pull
if r, err := os.Open(cfg.DockerCfgPath); err == nil {
auths := docker.LoadImageRegistryAuth(r)
cfg.PullAuthentication = docker.GetImageRegistryAuth(auths, cfg.BuilderImage)
if cfg.Incremental {
cfg.IncrementalAuthentication = docker.GetImageRegistryAuth(auths, cfg.Tag)
}
}
cfg.Environment = map[string]string{}
if len(cfg.EnvironmentFile) > 0 {
result, err := util.ReadEnvironmentFile(cfg.EnvironmentFile)
if err != nil {
glog.Warningf("Unable to read environment file %q: %v", cfg.EnvironmentFile, err)
} else {
cfg.Environment = result
}
}
envs, err := cmdutil.ParseEnvs(cmd, "env")
checkErr(err)
for k, v := range envs {
cfg.Environment[k] = v
}
if len(oldScriptsFlag) != 0 {
glog.Warning("DEPRECATED: Flag --scripts is deprecated, use --scripts-url instead")
cfg.ScriptsURL = oldScriptsFlag
}
if len(oldDestination) != 0 {
glog.Warning("DEPRECATED: Flag --location is deprecated, use --destination instead")
cfg.Destination = oldDestination
}
if glog.V(2) {
fmt.Printf("\n%s\n", describe.DescribeConfig(cfg))
}
if !docker.IsReachable(cfg) {
glog.Fatalf("Unable to connect to Docker daemon. Please set the DOCKER_HOST or make sure the Docker socket %q exists", cfg.DockerConfig.Endpoint)
}
builder, err := strategies.GetStrategy(cfg)
checkErr(err)
result, err := builder.Build(cfg)
checkErr(err)
for _, message := range result.Messages {
glog.V(1).Infof(message)
}
if cfg.RunImage {
runner, err := run.New(cfg)
checkErr(err)
err = runner.Run(cfg)
checkErr(err)
}
},
}
cmdutil.AddCommonFlags(buildCmd, cfg)
buildCmd.Flags().BoolVar(&(cfg.RunImage), "run", false, "Run resulting image as part of invocation of this command")
buildCmd.Flags().BoolVar(&(cfg.DisableRecursive), "recursive", true, "Fetch all git submodules when cloning application repository")
buildCmd.Flags().StringP("env", "e", "", "Specify an environment var NAME=VALUE,NAME2=VALUE2,...")
buildCmd.Flags().StringVarP(&(cfg.Ref), "ref", "r", "", "Specify a ref to check-out")
buildCmd.Flags().StringVarP(&(cfg.AssembleUser), "assemble-user", "", "", "Specify the user to run assemble with")
buildCmd.Flags().StringVarP(&(cfg.ContextDir), "context-dir", "", "", "Specify the sub-directory inside the repository with the application sources")
buildCmd.Flags().StringVarP(&(cfg.ScriptsURL), "scripts-url", "s", "", "Specify a URL for the assemble and run scripts")
buildCmd.Flags().StringVar(&(oldScriptsFlag), "scripts", "", "DEPRECATED: Specify a URL for the assemble and run scripts")
buildCmd.Flags().BoolVar(&(useConfig), "use-config", false, "Store command line options to .stifile")
buildCmd.Flags().StringVarP(&(cfg.EnvironmentFile), "environment-file", "E", "", "Specify the path to the file with environment")
buildCmd.Flags().StringVarP(&(cfg.DisplayName), "application-name", "n", "", "Specify the display name for the application (default: output image name)")
buildCmd.Flags().StringVarP(&(cfg.Description), "description", "", "", "Specify the description of the application")
buildCmd.Flags().VarP(&(cfg.AllowedUIDs), "allowed-uids", "u", "Specify a range of allowed user ids for the builder image")
buildCmd.Flags().StringVarP(&(oldDestination), "location", "l", "",
"DEPRECATED: Specify a destination location for untar operation")
return buildCmd
}
func newCmdBuild(cfg *api.Config) *cobra.Command {
useConfig := false
oldScriptsFlag := ""
oldDestination := ""
buildCmd := &cobra.Command{
Use: "build <source> <image> [<tag>]",
Short: "Build a new image",
Long: "Build a new Docker image named <tag> (if provided) from a source repository and base image.",
Run: func(cmd *cobra.Command, args []string) {
go func() {
for {
sigs := make(chan os.Signal, 1)
signal.Notify(sigs, syscall.SIGQUIT)
buf := make([]byte, 1<<20)
for {
<-sigs
runtime.Stack(buf, true)
if file, err := ioutil.TempFile(os.TempDir(), "sti_dump"); err == nil {
defer file.Close()
file.Write(buf)
}
glog.Infof("=== received SIGQUIT ===\n*** goroutine dump...\n%s\n*** end\n", buf)
}
}
}()
// Attempt to restore the build command from the configuration file
if useConfig {
config.Restore(cfg, cmd)
}
// If user specifies the arguments, then we override the stored ones
if len(args) >= 2 {
cfg.Source = args[0]
cfg.BuilderImage = args[1]
if len(args) >= 3 {
cfg.Tag = args[2]
}
}
if len(validation.ValidateConfig(cfg)) != 0 {
cmd.Help()
os.Exit(1)
}
// Persists the current command line options and config into .stifile
if useConfig {
config.Save(cfg, cmd)
}
// Attempt to read the .dockercfg and extract the authentication for
// docker pull
if r, err := os.Open(cfg.DockerCfgPath); err == nil {
cfg.PullAuthentication = docker.GetImageRegistryAuth(r, cfg.BuilderImage)
}
cfg.Environment = map[string]string{}
if len(cfg.EnvironmentFile) > 0 {
result, err := util.ReadEnvironmentFile(cfg.EnvironmentFile)
if err != nil {
glog.Warningf("Unable to read %s: %v", cfg.EnvironmentFile, err)
} else {
cfg.Environment = result
}
}
envs, err := parseEnvs(cmd, "env")
checkErr(err)
for k, v := range envs {
cfg.Environment[k] = v
}
if len(oldScriptsFlag) != 0 {
glog.Warning("Flag --scripts is deprecated, use --scripts-url instead")
cfg.ScriptsURL = oldScriptsFlag
}
if len(oldDestination) != 0 {
glog.Warning("Flag --location is deprecated, use --destination instead")
cfg.Destination = oldDestination
}
if glog.V(2) {
fmt.Printf("\n%s\n", describe.DescribeConfig(cfg))
}
builder, err := strategies.GetStrategy(cfg)
checkErr(err)
result, err := builder.Build(cfg)
checkErr(err)
for _, message := range result.Messages {
glog.V(1).Infof(message)
}
},
}
buildCmd.Flags().BoolVarP(&(cfg.Quiet), "quiet", "q", false, "Operate quietly. Suppress all non-error output.")
buildCmd.Flags().BoolVar(&(cfg.Incremental), "incremental", false, "Perform an incremental build")
buildCmd.Flags().BoolVar(&(cfg.RemovePreviousImage), "rm", false, "Remove the previous image during incremental builds")
buildCmd.Flags().StringP("env", "e", "", "Specify an environment var NAME=VALUE,NAME2=VALUE2,...")
buildCmd.Flags().StringVarP(&(cfg.Ref), "ref", "r", "", "Specify a ref to check-out")
buildCmd.Flags().StringVar(&(cfg.CallbackURL), "callback-url", "", "Specify a URL to invoke via HTTP POST upon build completion")
buildCmd.Flags().StringVarP(&(cfg.ScriptsURL), "scripts-url", "s", "", "Specify a URL for the assemble and run scripts")
buildCmd.Flags().StringVar(&(oldScriptsFlag), "scripts", "", "Specify a URL for the assemble and run scripts")
buildCmd.Flags().StringVarP(&(oldDestination), "location", "l", "", "Specify a destination location for untar operation")
buildCmd.Flags().StringVarP(&(cfg.Destination), "destination", "d", "", "Specify a destination location for untar operation")
buildCmd.Flags().BoolVar(&(cfg.ForcePull), "force-pull", true, "Always pull the builder image even if it is present locally")
buildCmd.Flags().BoolVar(&(cfg.PreserveWorkingDir), "save-temp-dir", false, "Save the temporary directory used by STI instead of deleting it")
buildCmd.Flags().BoolVar(&(useConfig), "use-config", false, "Store command line options to .stifile")
buildCmd.Flags().StringVarP(&(cfg.ContextDir), "context-dir", "", "", "Specify the sub-directory inside the repository with the application sources")
buildCmd.Flags().StringVarP(&(cfg.DockerCfgPath), "dockercfg-path", "", filepath.Join(os.Getenv("HOME"), ".dockercfg"), "Specify the path to the Docker configuration file")
buildCmd.Flags().StringVarP(&(cfg.EnvironmentFile), "environment-file", "E", "", "Specify the path to the file with environment")
buildCmd.Flags().StringVarP(&(cfg.DisplayName), "application-name", "n", "", "Specify the display name for the application (default: output image name)")
buildCmd.Flags().StringVarP(&(cfg.Description), "description", "", "", "Specify the description of the application")
return buildCmd
}