# baseimage-tutorial-framework This is the beating heart of TFW – the Docker baseimage consisting of the backend internals of the framework. All tutorial-framework challenges are child images of this one: their `Dockerfile`s all begin with `FROM avatao/tutorial-framework`. This document explains the general concepts of TFW and should be the first thing you read before getting started with development. For more on building and running you should consult the `test-tutorial-framework` repo. ## The framework *... in progress ...*