Is it shitty setting an instance up or is it doable?

Definitely needs some work. The instructions are all over the place, the Ansible roles expect to be the only thing in your system (unfortunately common), both the manual and Docker installation guides are meh and partially unsupported. Caddy is a config snippet and "good luck" (implied, they don't put it that bluntly). I'm sure there are a fair few people who are accidentally running a dev-focused setup on prod.

TLDR: It's definitely not for the newcomer. I may throw my own configs up somewhere for future reference.

Are u running on perm or via a provider?

Not sure what you mean by that.