Function runDeploy

cli/command/stack/deploy.go:81–95

runDeploy is the swarm implementation of docker stack deploy

(ctx context.Context, dockerCLI command.Cli, flags *pflag.FlagSet, opts *deployOptions, cfg *composetypes.Config)

// runDeploy is the swarm implementation of docker stack deploy
func runDeploy(ctx context.Context, dockerCLI command.Cli, flags *pflag.FlagSet, opts *deployOptions, cfg *composetypes.Config) error {
	switch opts.resolveImage {
	case resolveImageAlways, resolveImageChanged, resolveImageNever:
		// valid options.
	default:
		return fmt.Errorf("invalid option %s for flag --resolve-image", opts.resolveImage)
	}

	if opts.detach && !flags.Changed("detach") {
		_, _ = fmt.Fprintln(dockerCLI.Err(), "Since --detach=false was not specified, tasks will be created in the background.\n"+
			"In a future release, --detach=false will become the default.")
	}

	return deployCompose(ctx, dockerCLI, opts, cfg)
}

// checkDaemonIsSwarmManager does an Info API call to verify that the daemon is
// a swarm manager. This is necessary because we must create networks before we