If you are thinking of self-hosting #Gitlab you may find this interesting.

news.ycombinator.com/item?id=3…

Things can be kinda.. heavyweight. Or as one comment puts it, and generalizing to #OpenCore projects in general:

"This is something I've noticed a lot of open core projects suffer from. They make architecture decisions that make sense for their huge, multi-tenant production system but correspondingly make self-hosting on a single node feel like administering a rube goldberg machine."