[erik_seaberg]

This. The article talks about

> Each layer in your image might have a leaner version that is sufficient for your needs.

when reusing a huge layer is cheaper than choosing a small layer that is not reused.

[Ramiro]

I think this something that people miss a lot when trying to optimize their Docker builds. Is the whole optimizing for most of your builds vs optimizing for a specific build. Not easy.