Spring Boot Real Time Chat Application using Websocket and DragonflyDB

This project contains source code to implement a Real Time Chat application using Spring Boot Websockets and DragonflyDB for Pub/Sub Architecture.

Tech Stack

• Spring Boot with Websockets
• DragonflyDB for Pub/Sub Pattern

Application Architecture

Running Application

• Start DragonflyDB by running the below command

docker compose up -d

• Run 2 of the Chat application by running below command

mvn spring-boot:run -Dspring-boot.run.profiles=instance1
mvn spring-boot:run -Dspring-boot.run.profiles=instance2

• Open Multiple Browser windows, some with http://localhost:8080 and http://localhost:8081
• Enter your username and send messages, the chat messages will be broadcasted to all the users