ConnectR - Social Media Backend

A robust social media backend application built with Go, featuring Neo4j graph database for social connections and Kafka for message queuing.

🚀 Features

• User authentication and authorization
• Post creation with multiple media support
• Comment system
• Real-time messaging using WebSocket
• Cloud-based media storage using Cloudinary
• Message queuing with Kafka
• Graph-based social connections using Neo4j

🛠️ Tech Stack

• Go - Main programming language
• Neo4j - Graph database for social connections
• Kafka - Message queuing system
• Docker - Containerization
• Cloudinary - Cloud media storage
• WebSocket - Real-time communication
• Wire - Dependency injection

📦 Prerequisites

• Go 1.21.7 or higher
• Docker and Docker Compose
• Neo4j 5.21.2 or higher
• Kafka

🔧 Installation

1. Clone the repository:

git clone https://github.com/abdullahnettoor/connect-social-media.git
cd connect-social-media

2. Create a dev.env file in the root directory with the following variables:

# Neo4j Configuration
NEO4J_AUTH=neo4j/your_password
NEO4J_URI=bolt://localhost:7687
NEO4J_USERNAME=neo4j
NEO4J_PASSWORD=your_password

# Cloudinary Configuration
CLOUDINARY_CLOUD_NAME=your_cloud_name
CLOUDINARY_API_KEY=your_api_key
CLOUDINARY_API_SECRET=your_api_secret

# Server Configuration
PORT=9000

3. Start the services using Docker Compose:

docker-compose up -d

4. Install dependencies:

make deps

5. Run the application:

make run

🏗️ Project Structure

.
├── cmd/
│   └── main.go           # Application entry point
├── internal/
│   ├── config/          # Configuration management
│   ├── domain/          # Domain entities and interfaces
│   ├── infrastructure/  # External services implementation
│   ├── repo/            # Database repositories
│   ├── usecase/         # Business logic
│   └── di/             # Dependency injection
├── pkg/                 # Shared packages
└── docker-compose.yml   # Docker services configuration

🛠️ Development

• Run with hot reload:

make nodemon

• Generate Swagger documentation:

make swag

📝 API Documentation

Swagger documentation is available at /swagger/index.html when the server is running.

🐳 Docker Services

The application uses multiple Docker containers orchestrated using Docker Compose:

1. Neo4j Database

   • Port: 7474 (HTTP), 7687 (Bolt)
   • Community edition 5.21.2

2. Kafka Message Queue

   • Port: 9092
   • Includes Zookeeper on port 2181

3. API Server

   • Port: 9000
   • Built using multi-stage Docker build for optimized image size

🤝 Contributing

1. Fork the repository
2. Create your feature branch (git checkout -b feature/amazing-feature)
3. Commit your changes (git commit -m 'Add some amazing feature')
4. Push to the branch (git push origin feature/amazing-feature)
5. Open a Pull Request

📄 License

This project is licensed under the MIT License - see the LICENSE file for details.