Using SQLAlchemy with Flask to Connect to PostgreSQL · vsupalov.comModern webapps are meant to be stateless. They don’t have something which needs to be remembered - a state. This is the reason why horizontal scaling, spinning up multiple instances of your app, is possible without breaking everything. The data is saved in another service, which is made to be really good at handling it and making it accessible - a database. Let’s connect our Flask app from the pre
