code: func AddPlatformFlag(flags *pflag.FlagSet, target *string) {
  	flags.StringVar(target, "platform", os.Getenv("DOCKER_DEFAULT_PLATFORM"), "Set platform if server is multi-platform capable")
  	flags.SetAnnotation("platform", "version", []string{"1.32"})
  	flags.SetAnnotation("platform", "experimental", nil)
  }
docs: // AddPlatformFlag adds `platform` to a set of flags for API version 1.32 and later.