refactor(be)feat(be): WebSocket 설정 추가

Author: beekeeper24

src/main/kotlin/com/back/koreaTravelGuide/domain/userChat/config/UserChatWebSocketConfig.kt

@@ -0,0 +1,24 @@
+package com.back.koreaTravelGuide.domain.userChat.config
+
+import org.springframework.context.annotation.Configuration
+import org.springframework.messaging.simp.config.MessageBrokerRegistry
+import org.springframework.web.socket.config.annotation.EnableWebSocketMessageBroker
+import org.springframework.web.socket.config.annotation.StompEndpointRegistry
+import org.springframework.web.socket.config.annotation.WebSocketMessageBrokerConfigurer
+
+// userChat에서만 사용할 것 같아서 전역에 두지 않고 userChat 도메인에 두었음
+
+@Configuration
+@EnableWebSocketMessageBroker
+class UserChatWebSocketConfig : WebSocketMessageBrokerConfigurer {
+    override fun registerStompEndpoints(registry: StompEndpointRegistry) {
+        registry.addEndpoint("/ws/userchat")
+            .setAllowedOriginPatterns("*")
+            .withSockJS()
+    }
+
+    override fun configureMessageBroker(registry: MessageBrokerRegistry) {
+        registry.enableSimpleBroker("/topic")
+        registry.setApplicationDestinationPrefixes("/pub")
+    }
+}