• Send and receive messages
• Display current connection count

1. Implement real-time communication with WebSockets
2. Utilize Redis Pub/Sub for communication across multiple instances
3. Employ Redis for storing data (connection count/messages)
4. Containerize the application using Docker and docker-compose
5. Implement Docker multi-stage builds
6. Implement graceful shutdowns

• Fastify - Backend
• Websockets - Realtime communication
• Next.js - Frontend
• Tailwind & Shadcn UI - Styling
• Redis - Pub/Sub and data storage
• Docker/docker-compose - Containerization
• Vercel - Hosting the frontend

To initialize the Docker environment for this project, follow these steps:

1. Clone the project repository.

2. Navigate to the project directory.

3. Create a new file named .env in the root directory.

4. Add the following line to the .env file, replacing UPSTASH_REDIS_REST_URL with your Upstash URL:

   UPSTASH_REDIS_REST_URL=your_upstash_url
   

5. Save the .env file.

To run the project, use the following command:

docker-compose up

Feel free to explore and enhance this project.