Flask Authentication MVP [currently being upgraded]

A lightweight, functional user authentication system built with Flask. Features include registration, login, session handling, and route protection — ready to be extended for production use. Since the Launch of this demo the Flask authentication system has had several security upgrades as well as production based upgrades.

1.) Security Upgrades for XSS, CSRF, and Bruteforce attacks.
2.) Migrated from a SQLite database to a PostgreSQL Database.
3.) The App no longer uses venv virtual environment, instead it now relies on Docker containers.

Hardened User Authentication

Supports user registration, login, and logout using Flask-Login with protected routes and session management. Built in protection against bruteforce and dictionary attacks.

CSRF & Password Protection

Security features include CSRF tokens and password hashing using Werkzeug for safe credential handling and storage.

Extendable MVP

Designed as a modular foundation. Easy to extend with features like rate limiting, CAPTCHA, and JWT-based auth.

Project Screenshots

Flask login form with username and password fields

Homepage linking to registration and login forms.

Flask registration form requiring unique username and email

Registration form with server-side checks for unique email and username.

Red flash message when email or username is not unique

Red flash message on registration failure — to be replaced with generic messages in production.

Red flash message when email or username is not unique

Red flash message on registration failure — to be replaced with generic messages in production.

Flask login form with username and password fields

Login form used after successful registration or return visit.

Successful login flash message in green

Login success flash message appears and user is redirected to dashboard.

Dashboard after login showing logged-in user

Basic user dashboard after login — no frontend styling yet.

Logout route confirmed, session destroyed

Logout action ends session and redirects to login page securely.

Flask development server running in terminal

Flask server terminal output — because terminals are beautiful.

Get In Touch

Interested in working together? Reach out via email or LinkedIn.

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