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.
You can perhaps make use of this script https://lemmy.world/post/226441
I'd try to stick to the official recommendations to backup immich: https://immich.app/docs/administration/backup-and-restore/
I just tried and It works great! may I suggest to accept multiple destination accounts? perhaps with a config file, instead of a parameter? that way can be also possible to automate synchronizing the accounts that in multiple instances. Thanks for all the work.
it looks like they don’t contemplate to migrate (yet).
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/
More on this: https://www.youtube.com/watch?v=Cb458PRJ43s