pipenv install
pipenv shell

docker run -p 27017:27017 --name mongodb -d mongo

# check if the db is running
docker ps

# to stop the database:
docker stop <name|CONTAINER ID>

# start the container again
docker start <name>
# or start the docker container with the interactive shell
docker exec -it mongodb mongo

export FLASK_APP=index.py
export FLASK_DEBUG=1
flask run