VeganCheesecake

I guess you could install cockpit (via Terminal, sorry, but it's pretty straightforward and there are good guides). After that, you could use the cockpit web interface to deploy docker/podman containers. It's a bit clunky sometimes, but it does the job purely in UI.

You can also manage updates, backups, etc via cockpit if you install the required modules.

As base, I'd use any stable Linux distro that's reccomended for server use.

Edit: Comment was in wrong place, refiled as op level comment.

On the one hand, I don't doubt it's gotten worse. On the other hand, I've always heard stories about US immigrations being unreasonable, entirely humourless, and possibly detaing you or sending you back for the smallest mistake or omission.

Graphene doesn't. The way I see it is like buying a laptop with pre-installed Windows, and replacing the OS.

Jellyfin supports audio books too, but I feel that audiobookshelf gives a much neater experience.