It’s not supported here, maybe am the cyberpanel people. You need shell access and the ability to run docker. It might be possible to have discourse and cyberpanel coexist, but it’ll be much harder than not using it.
What is appealing about using Discourse with cyberpanel?
If you’re looking for an automated tool for installing discourse on digital ocean with mailgun I’m working on launching https://www.pfaffmanager.com/. It’s free for a while longer.