pip install flask ariadne flask-sqlalchemy flask-cors psycopg2 python-dotenv

export FLASK_APP=app.py

then :

flask run

• For this example, you can use a hosted SQL database like ElephantSQL, or you can use any SQL database you like.
• Ariadne is not compatible with graphql-core 3.1 so better to have Python <= 3.8 to avoid issues