Do you swarm because you still believe it has a future. It looks like you were right! (
https://docs.docker.com/engine/release-notes/23.0/ ) The current release contains long awaited experimental support for SwarmKit cluster volumes and new jobs for stack deploy. There are other features for swarm also. It obviously the commitment to support swarm is holding true. Oh, below here is a link to Bret Fisher's
Awesome Swarm repo to collect a list of great swarm links for resources.