How does authentication work in DevTinder?
On login, the backend issues a JWT that the frontend stores and sends with each API request. Middleware on protected routes verifies the JWT before allowing access, so only authenticated users can use protected endpoints.
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More FAQs in DevTinder Project Architecture: Frontend, Backend, and Database
A React frontend calling Express REST APIs and a Socket.IO WebSocket for live chat, with Express using Mongoose to read and write MongoDB, and JWT for auth. Each part has a clear role and they fit together as a full-stack system.
It handles the UI: the auth flow, profile feed, swiping, matches, and chat. It calls the backend's REST APIs and connects to a WebSocket for live chat. The frontend is the user-facing half of the architecture.
It exposes REST APIs for auth, profiles, matching, and chat history. It validates requests, applies JWT auth middleware, talks to MongoDB through Mongoose, and hosts the WebSocket server for live chat.
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