Uh yeah on setting up... and uh... not again if I have anything to say about it!
Even now it's not really ready for prime time IMHO. The admin of
Xenforo Help wanted me to try a test install of it for that site. I did and I won't again! It was OK until a plug-in that was supposed to work for direct upload of images (which is not supported in the base install) did not work. Removed that plug-in and it trashed the install.
There are much better options out there, setting up another VPS and installing Discourse being one of them.
The idea is nice... but it still seems somewhat delicate.
I told Neo that if they wanted to run Flarum to feel free to grab their own VPS and set it up.