Stuff us way more complicated than it was just a few years ago because of https. I was trying to set up NextCloud with a snap recently and it was a pain to do anything except let NC take over the whole domain.
I've appreciated your series of posts both to learn a little and realize other people are frustrated with this stuff too.
"I appreciate SDF but it's a general-purpose server and the name doesn't make it obvious that it's about art." - Eugen Rochko