https://meet.jit.si/ was a contender during the covid era

I made my own using wofi, https://github.com/deifyed/dotfiles/blob/main/dot_local%2Fbin%2Fexecutable_emoji_prompt

Doesn’t auto insert though, but puts it in the clipboard. Paste as many times as you need. If you figure out how to get it to insert into the focused application, do let me know 😁

Just brain storming here:

You could expose a bare git repo on the server with a git hook that runs Docker compose up on push.

You could also have GitHub actions ssh in and run git pull && docker compose up on push to main.

Vim, plain text files and syncthing. Best combo I’ve found after years of searching