Yes, I'm considering that if I can't find a solution that is plug-and-play for containers Independent of the OS and file system. Although I don't mind something abstracting on top of ZFS. ZFS Mental overhead through the snapshot paradigm can lead to its own complexities. A traditional backup and restorer front end would be great.
I find it strange that, especially with a docker which already knows your volumes, app data, and config, can't automatically backup and restore databases, and configs. Jeez, they could have built it right into docker.
Fully automated, incremental, verified backups, and restoring is one click of a button.