This series of tasks shall help developers familiarize with Dockerfiles, images, containers and other related concepts.
In order to do these lessons, only Docker needs to be installed.
Each lesson is located in its subdirectory lesson-<n> where n is the number of the lesson. There you'll find a README.md, detailing the purpose and the tasks of this particular lesson. Sometimes there are bonus tasks. In every lesson, there is a .solution directory which includes files, instructions etc that comprise a possible solution to the given tasks.