code: func CommonFlags() []cli.Flag {
  	return []cli.Flag{
  		cli.BoolFlag{
  			Name: "verbose,debug",
  		},
  		cli.StringSliceFlag{
  			Name:   "file,f",
  			Usage:  "Specify one or more alternate compose files (default: docker-compose.yml)",
  			Value:  &cli.StringSlice{},
  			EnvVar: "COMPOSE_FILE",
  		},
  		cli.StringFlag{
  			Name:   "project-name,p",
  			Usage:  "Specify an alternate project name (default: directory name)",
  			EnvVar: "COMPOSE_PROJECT_NAME",
  		},
  	}
  }
docs: // CommonFlags defines the flags that are in common for all subcommands.