DeepShare

This is the backend for a full-stack real-time social media platform built with Node.js, Express, MongoDB, and Socket.IO.
It supports JWT authentication, user management, post creation, likes, comments, profile updates, and real-time updates through sockets.

🚀 Features

• ✅ User Registration & Login with JWT
• 🧑 Unique Usernames
• 🔐 Password Hashing with bcrypt
• 📸 Profile & Cover Photo Upload Support
• 📝 Post Creation, Likes, Comments, and Sharing
• 📰 Real-Time News Feed Updates with Socket.IO
• 🔍 Search Users by Username or Name
• 👥 Follow/Unfollow Users
• 📦 REST API Architecture
• 🔄 Real-time Events (like posts, likes, comments)
• 🧵 Modular Codebase (MVC Pattern)

🛠 Tech Stack

• Node.js
• Express.js
• MongoDB + Mongoose
• JWT for authentication
• Socket.IO
• Multer for file uploads
• Cloudinary or Firebase Storage (recommended for production)

📁 Project Structure

• deep-share-backend/
• ├── controllers/
• │ ├── authController.js
• │ ├── userController.js
• │ ├── postController.js
• │ └── commentController.js
• ├── models/
• │ ├── User.js
• │ ├── Post.js
• │ ├── Comment.js
• ├── routes/
• │ ├── auth.routes.js
• │ ├── user.routes.js
• │ ├── post.routes.js
• │ ├── comment.routes.js
• ├── middleware/
• │ ├── authMiddleware.js
• │ ├── uploadMiddleware.js
• ├── sockets/
• │ └── socket.js
• ├── utils/
• │ ├── cloudinary.js
• ├── .env
• ├── server.js
• └── package.json

📡 API Endpoints

🔐 Auth Routes

• POST /api/auth/register Register user
• POST /api/auth/login Login user

👤 User Routes

• GET /api/users/:username Get public profile
• PUT /api/users/update Update profile info
• PUT /api/users/follow/:id Follow a user
• PUT /api/users/unfollow/:id Unfollow a user
• GET /api/users/search?q= Search users

📝 Post Routes

• POST /api/posts/ Create post
• GET /api/posts/feed Get feed
• PUT /api/posts/:id/like Like/unlike a post
• DELETE /api/posts/:id Delete post

💬 Comment Routes

• POST /api/comments/:postId Add comment
• GET /api/comments/:postId Get post comments

⚡ Real-Time Events via Socket.IO

Socket events are initialized when a user connects. Examples:

• new-post
• new-like
• new-comment
• user-connected
• notify

These events emit updates to other online users in real-time.