For example, if I want a website where users can I signin to choose options such as changing or restarting a Docker container. Or various other systems level options available from a web interface.
I’m looking for something in the cloud but also something self hosted at home.
Pterodactyl or Pelican if what you might want if you are looking to give tenants access to game servers on your own infrastructure.
https://pelican.dev/
https://pterodactyl.io/