include .env format: docker run --rm -ti -v ${PWD}:/tmp/python/app python:alpine sh -c "cd /tmp/python; pip install -q black; black ." clean: docker rm -f dragon-bot-test DRAGON_ENV := "test" test: clean format docker run -ti -v ${PWD}/app:/app --rm --name dragon-bot-test -e DRAGON_ENV=${DRAGON_ENV} -e discord_token=${discord_token} dragon-bot-test bash