You let you server software run on a server (cheap VPS should work unless you have lots of players) and let players connect. Then add things as needed. Dont ove

You let you server software run on a server (cheap VPS should work unless you have lots of players) and let players connect. Then add things as needed. Dont overthink / overdo things. Just try to have a running games as soon as possible. It is way harder to get players then to get a server running!