Proxmox Backup Server 3.0 available
It’s based on Debian 12 “Bookworm”, but uses the newer Linux kernel 6.2, and includes ZFS 2.1.12.
- Debian 12, with a newer Linux kernel 6.2
- ZFS 2.1.12
- Additional text-based user interface (TUI) for the installer ISO
- Many improvements for tape handling
- Sync jobs: “transfer-last” parameter for more flexibility
Release notes
https://pbs.proxmox.com/wiki/index.php/Roadmap
Press release
https://www.proxmox.com/en/news/press-releases/

You would expose the port to your host which makes the db acessible by anything running on the host, docker or native. Something like
`port
But I would recommend running a dedicated db for each service. At least that’s what I do.
Isn’t the point about containers that you keep things which depend on each other together, eliminating dependencies? A single db would be a unecessary dependency in my view. What if one service requires a new version of MySQL, and another one does not yet support the new version?
I also run all my databases via a bind mount
`volume
and each service in it’s own directory. E.g. /opt/docker/nextcloud
That way I have everything which makes up a service contained in one folder. Easy to backup/restore, easy to move, and not the least, clean.