I recommend Borgmatic, a declarative way to set up borg backups. I find it much nicer than a having a backup.sh script and the configuration is really straight-forward.

If you don’t want a GUI, dockcheck is an easy way to update many containers at once from the CLI.

Are you using Kitchenowl for storing recipes? If so, what’s your experience with it?

I’ve tried Tandoor, the common suggestion for recipe management, but I’ve found it too clunky to add recipes to. I like the concept, but it would take a long time to move all my recipes into the specific format they use, and the web UI does not make things easier.

If the data is “irreplaceable”, you shouldn’t keep only a single copy of it.