Have you checked tailscale? a one click wireguard, free for quite a lot of devices. there is a project to selfhost the control server https://headscale.net/

I’d try to stick to the official recommendations to backup immich: https://immich.app/docs/administration/backup-and-restore/

it looks like they don’t contemplate to migrate (yet).

You can perhaps make use of this script https://lemmy.world/post/226441

More on this: https://www.youtube.com/watch?v=Cb458PRJ43s

Hi, just registered. That was my case, and I simply had to verify my email, which somehow was redirected to the spam folder. So I suggest you check there and verify yours. Good luck.