Until yesterday, I didn’t even know you could use the docker images and the same docker-compose configs with Podman.
The UI you are looking at is Cockpit, which can be installed on almost any Linux Server. I have used it before but I am amazed by its integration with Podman.
Seriously, consider trying this, once.
Here’s another screenshot of Cockpit:
Welcome on board :)
I documented a bit how to run Lemmy via Podman here: https://f-hub.org/Solarpunk/lemmy-podman