You can checkout the live version of the application at https://spring-ws-chat.herokuapp.com/

App Screenshot

1. Java - 11

2. Maven - 3.x.x

1. Clone the application

git clone https://github.com/callicoder/spring-boot-websocket-chat-demo.git

2. Build and run the app using maven

cd spring-boot-websocket-chat-demo
mvn package
java -jar target/websocket-demo-0.0.1-SNAPSHOT.jar

Alternatively, you can run the app directly without packaging it like so -

mvn spring-boot:run

You can find the tutorial for this application on my blog -

https://www.callicoder.com/spring-boot-websocket-chat-example/