https://www.udemy.com/automated-software-testing-with-python https://github.com/schoolofcode-me/testing-python-apps.git
The Dockerfile has an entrypoint and a CMD that passes a default argument (runserver).
The valid arguments are:
* runserver (runs the flask app)
* runtests (run the tests in the flask app)
So, a valid command to run it would be
docker-compose run --rm --service-ports web runtests
In case that you wan to run a bash session inside, do the following
docker-compose run --rm --service-ports --entrypoint=bash web