https://character.place
I started it to use in my Starfinder game, but I think too many character sheet creators / storage systems are too complicated.
Bare Metal / Containers / VM
It's all about managing your dependency chain, and how much variation of environment you're willing to accept. You don't need to feel like a dinosaur if what you're doing is principled and reasonable.
Haha we bought these servers for 5k, very op, but since we had a rack full of HW (that this one blade was managing) anyways, the server price/power consumption for a 1U was a drop in the bucket. Very strange world. I think the server was at 10% CPU consumption, and we didn't bother doing the erlang "turn off IO polling for modern cloud operating systems" option.