This project is a simple chat system that utilizes various technologies to provide real-time messaging capabilities. It includes a WebSocket server for real-time communication, Redis for user mapping, an HTTP chat service for message handling, Kafka for message queuing, and PostgreSQL for message storage.

• Go: The programming language used for the application.
• WebSocket: For real-time communication between clients and the server.
• Redis: For mapping user IDs to WebSocket connections.
• Kafka: For message queuing and handling.
• PostgreSQL: For persistent message storage.

make ws
> {"id":"9b1deb4d-3b7d-4bad-9bdd-2b0d7b3dcb6a","author_id":"1","destination_user_id":"1","message":"Hello!"}

make psql SQL="SELECT * FROM messages;"