1. 의존성 주입 implementation 'org.springframework.boot:spring-boot-starter-websocket' implementation 'org.webjars:stomp-websocket:2.3.4' implementation 'org.webjars:sockjs-client:1.5.1' 2. webSocketConfig @Configuration @RequiredArgsConstructor @EnableWebSocketMessageBroker @Slf4j public class WebSocketConfig implements WebSocketMessageBrokerConfigurer { private final StompHandler stompHandler; @Ove..