TLDR
Docker is a tool designed to make it easier to create, deploy, and run applications by using containers. Containers allow a developer to package up an application with all of the parts it needs, such as the required dependencies, and ship it out as one package. Docker can help you set a minimal minimal environment for your builds. Check out this Github Repo on how to build and run your docker image, and set up the environment for building AOSP Nougat 7.1.1.via the TL;DR App
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