adora

It’s very possible they weren’t unused.
Docker builds their images out of layers, and all the layers are used during runtime!:
https://sweetcode.io/understanding-docker-image-layers/

The idea is that you can essentially change PARTS of an image, without rebuilding it entirely, which saves space and bandwidth.

thats awesome!

isn’t working =(

its difficult because different users have different usage patterns.
for example, two users who never post and are never online at the same time really take no resources from each other. they are effectively “one” user.

one user who posts 10gb of content a day, and is constantly posting would be equivalent to hundreds of “normal” users.