Function runGenerate

cmd/compose/generate.go:58–91

(ctx context.Context, dockerCli command.Cli, backendOptions *BackendOptions, opts generateOptions, containers []string)

}

func runGenerate(ctx context.Context, dockerCli command.Cli, backendOptions *BackendOptions, opts generateOptions, containers []string) error {
	_, _ = fmt.Fprintln(os.Stderr, "generate command is EXPERIMENTAL")
	if len(containers) == 0 {
		return fmt.Errorf("at least one container must be specified")
	}

	backend, err := compose.NewComposeService(dockerCli, backendOptions.Options...)
	if err != nil {
		return err
	}
	project, err := backend.Generate(ctx, api.GenerateOptions{
		Containers:  containers,
		ProjectName: opts.ProjectName,
	})
	if err != nil {
		return err
	}

	var content []byte
	switch opts.Format {
	case "json":
		content, err = project.MarshalJSON()
	case "yaml":
		content, err = project.MarshalYAML()
	default:
		return fmt.Errorf("unsupported format %q", opts.Format)
	}
	if err != nil {
		return err
	}
	fmt.Println(string(content))

	return nil
}