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.
this is co cool
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.