Open your docker terminal by running the following command in a terminal:
boot2docker up or by running the docker Quickstart Terminal
cd into this repository
Run the following command to start guard listening for any code changes:
docker run -it -v "$PWD":/usr/src/app softwareshokunin/object_calisthenics
Now you're ready to code :)
We're going to be doing this kata in Ruby! If you're not familiar with Ruby you can read up on it here and even more here.