Pretty much, yeah. It contains all the info necessary to tell Docker how to build/deploy the container, and how to configure the editor to work in it. The goal

Pretty much, yeah. It contains all the info necessary to tell Docker how to build/deploy the container, and how to configure the editor to work in it. The goal is turnkey setup of the software, its environment, and the user's IDE so that developers don't have to waste days doing that by hand.