Too Long; Didn't Read
In this article, we’ll do a deep dive into the Buildpacks BuikdKit frontend implementation and see how it actually works under the hood. However, before we do so, we’ll need to breeze through a few concepts.
What is a Container Image?
A container image consists of a config file and layer tarballs. Usually, they are made from a series of instructions like FROM, ADD, and RUN, which are placed in a Dockerfile and built with a docker build. However, a docker build is just one way of ending up with this output.