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Built with Expo / React Native on the frontend and FastAPI + MongoDB on the backend, with Google Sign-In for authentication.

Provides complete PPT and Documentation on Hashing [ DSA Concept ] [ Programmer Friendly ]

Minimal working example of Google OAuth 2.0 login (Authorization Code flow) implemented in FastAPI, using async httpx and Starlette session middleware.

Minimal working example of Google OAuth 2.0 login (Authorization Code flow) implemented in Django, using built-in session handling.

Minimal working example of Google OAuth 2.0 login (Authorization Code flow) implemented in Flask, with session-based auth and a .env config.

A single-file FastAPI implementation of JWT authentication with user registration, login, and access + refresh tokens — plus automatic interactive API docs. Part of a three-part series implementing the same auth flow in Flask, Django, and FastAPI.