So - "finally" got the Pi back on the web. But in the process of troubleshooting I removed nginx, switched back to Apache, and also uninstalled everything #Pleroma. Yes, now that I figured out the problems I *could* reinstall it. But, damn that feels like a lot of work after all the headache I just went through. It's bad enough being my own sysadmin for a couple of web sites. But Pleroma is all Elixir/Erlang/Phoenix/all kinds of shit I am completely unfamiliar with. I think I'm good for now...