There is no port mapping, but you do need to add the 3 mappings for you sh, app and music.
I added via add docker and entered the details manually.
Not at my machine for 30 mins, but will upload a screenshot of my mappings for you…
You access the server via a roon client, so will need to install that too.
Add the following path from the ‘Add another Path, Port or Variable’ in the ‘Add Container’ setup page.
