~ python3 -m pip install virtualenv
~ python3 -m venv env
~ source env/bin/activate
~ pip3 install --upgrade pip
(if needed)~ pip3 install -r requirements.txt
~ pip3 install git+https://github.com/sn4k3/FakeRPi
(for MacOS)~ pip3 install RPi.GPIO
(for other)
~ FLASK_APP=app.py FLASK_ENV=development python -m flask run
~ deactivate