That looked like the perfect solution for my use case (replicated storage accross the internet betweend dc<->homelab) but unfortunately Garage is not a POSIX compatible storage and does not support locking and stuff.
My plan was to setup a garage cluster, use s3fuse to mount a filesystem and then throw stuff, like #snac basedir and other stuff on it.
But looks like this would not be a good idea with garage and its limitations 😞