Social Network - Facebook-like App

A fullstack Facebook-like social network with followers, profiles, posts, groups, notifications, and chats. Built with Go (backend), Next.js (frontend), SQLite, and Docker Compose.

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🚀 Features

• Authentication: Registration, login, sessions & cookies, optional avatar, nickname, about me.
• Profile: Public/private profiles, posts feed, followers/following.
• Posts: Create posts/comments with images/GIFs, configurable privacy.
• Followers: Follow/unfollow, request system for private profiles.
• Groups: Create/join groups, invite/accept requests, group posts, events.
• Chat: Private and group chats with WebSockets and emojis.
• Notifications: Follow requests, group invites, events, real-time alerts.

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🗂 Project Structure

backend/
├── cmd/main.go
├── Dockerfile
├── internal/
│   ├── db/
│   │   ├── migrations/sqlite
│   │   ├── followersQuery/
│   │   ├── notificationQuery/
│   │   ├── profileQuery/
│   │   ├── query/
│   │   ├── sqlite/
│   │   └── uploads/
│   ├── handlers/
│   ├── models/
│   └── utils/
└── server/
    ├── middleware.go
    └── server.go

frontend/
├── package.json
├── Dockerfile
└── pages/

SQLite database: backend/internal/db/sqlite/data_base.db
Migrations: backend/internal/db/migrations/sqlite

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🐳 Running with Docker Compose

1️⃣ Build and run

docker-compose up --build

2️⃣ Access the application

• Frontend: http://localhost:3000
• Backend API: http://localhost:8080

3️⃣ Volumes

• uploads_data → stores uploaded files
• db_data → stores SQLite database

4️⃣ Network

• All services run on app-network for internal communication

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💻 Frontend (Next.js)

• Fully responsive UI
• Communicates with backend via NEXT_PUBLIC_BACKEND_URL
• Development:

cd frontend
npm install
npm run dev

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🔧 Backend (Go)

• Handles API requests, database operations, and WebSockets
• Auto-applies migrations on startup via sqlite.go
• Run locally:

cd backend
go run cmd/main.go

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🔒 Security

• Passwords hashed with bcrypt
• Session & cookie authentication
• Input validation for all endpoints

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📦 Packages Used

• Go standard packages
• Gorilla Websocket
• golang-migrate / sql-migration
• SQLite3
• bcrypt
• UUID

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🌟 Learning Outcomes

• Fullstack development (Next.js + Go)
• Authentication with sessions & cookies
• Docker Compose for multi-container apps
• Real-time communication with WebSockets
• SQL database management & migrations

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📄 License

MIT License

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💡 Tip: Your docker-compose.yml is already configured to run both backend and frontend together. Just run:

docker-compose up --build

Frontend will automatically connect to backend at http://backend:8080 inside the Docker network.