Send the following on WhatsApp
Continue to Chat스프링 웹소켓과 실시간 채팅 애플리케이션 구축 https://www.issuelink.co.kr/blog/development/building-a-real-time-chat-application-with-spring-websockets
스프링 웹소켓과 실시간 채팅 애플리케이션 구축 https://www.issuelink.co.kr/blog/development/building-a-real-time-chat-application-with-spring-websockets