I'm about to leave a system running on a pi 4 for a few months. Any details on your advice? Based on cursory googling [1] your setup looks non-trivial>
It was actually pretty easy, I’ve used these guides for zfs on most of my Linux infra.
https://openzfs.github.io/openzfs-docs/Getting%20Started/Ubu...
The Wireguard in Docker automatically generates new client configs from ENVS.