Original source code from https://github.com/pallets/flask/tree/master/examples/tutorial
make sure you have python 3.8.2 installed
make sure you have this environemnet variables:
FLASK_APP=flaskr
FLASK_ENV=development
put all the files in src/app
run:
pip install --editable .
flask init-db
flask run --host=0.0.0.0
