Simple comment app with AJAX, flask
Form handling with flask, AJAX and jQuery: https://youtu.be/IZWtHsM3Y5A
Flask-Login user handling: https://realpython.com/using-flask-login-for-user-management-with-flask/
Flask-Login usage: https://blog.miguelgrinberg.com/post/the-flask-mega-tutorial-part-v-user-logins