Correct. The ipboard site is a private forum. I got very curious to see if I can host dockers on my virtualmin client server. So far I have one up and running (the one I posted just now) and I am going to attempt to build another.
The proxy is handled by Virtualmin, through the Site Configuration -> Proxy Options. I put the docker on port :8080 and have it proxied to the virtual domain.
Working great so far, with one instance. I’m hoping to be able to include Discourse as a custom script installer for Virtualmin eventually, wrapping it up and sharing it with other users of the GPL distribution of Vmin.