Python Flask Login System with MySQL, Built Step by Step

Free download (starter kit, finished code, and a checkpoint folder for chapters 6 to 15): https://codeshack.io/download/login-s... Written tutorial: https://codeshack.io/login-system-pyt... Already have Python, MySQL and VS Code? Skip to 2:56. Build a complete login and registration system with Python, Flask and MySQL, one step at a time in VS Code. Every line of Python is typed on screen, the app runs every few minutes, and MySQL Workbench creates the database. What you need (all free): Python 3.10 or newer: https://www.python.org/downloads/ MySQL Community Server: https://dev.mysql.com/downloads/mysql/ MySQL Workbench: https://dev.mysql.com/downloads/workb... VS Code: https://code.visualstudio.com/ Chapters 0:00 What you'll build 1:04 1. How a login works 2:30 2. Tools check 3:56 3. Project setup 6:22 4. The database 8:51 5. Settings in .env 10:09 6. First run 14:11 7. Connect to MySQL 17:14 8. Pages and forms 21:10 9. Register: check the form 24:22 10. Register: save the account 28:45 11. Log in 32:58 12. Private pages 36:16 13. The session cookie 38:05 14. Log out 39:52 15. Try to break it 43:27 16. Recap Tested with Python 3.14, Flask 3.1.3, Werkzeug 3.1.9, Flask-WTF 1.3.0, Flask-Limiter 4.1.1, MySQL Connector/Python 26.7.0, python-dotenv 1.2.4, MySQL 26.7 and MySQL Workbench 26.7. Stuck? Copy the files in the checkpoint folder for the chapter you just finished over your project, and keep your own .env. The narration uses a synthetic voice. #python #flask #mysql