Fuck! Exactly the idea that hatched in my head.
So lower front fans are more efficient to suck in cold air than higher ones, while the exhaust fan in the back is higher and more efficient for moving hot air away from the case as hot air rises (ryzens).
Best practice is to keep each project in its own folders with their respective docker compose file in there.
Later, on your journey you will want more granular control especially with networks and reverse proxy setups.