Step one
Download source
https://github.com/israelomotayo/flask-practice

Step two
create venv
python -m venv venv

Step three
Activate venv windows: venv\Scripts\activate
Mac: source venv/bin/activate

Step four
Install requirements: pip install -r requirements.txt

Step five
run flask: flask run

Install Database plugins
pip install flask-sqlalchemy
pip install flask-migrate

Initializing the database
flask db init

Updating changes
flask db migrate
flask db upgrade