linkified so noone else has to go searching for the actual article: Player Core Preview: The Wizard, Remastered

Wow, that's a great giveaway. Thank you for sharing.
If possible Maneater or Borderlands 3 please. Thank you!

I take the latter approach -- a single PostgreSQL database service for all other containers to use. That allows me to concentrate memory/CPU to a single service and optimize for that. I've found that a single database service uses less total resources (especially memory) than running separate DB stacks for each service.