diff --git a/src/backend/auth_server/Dockerfile b/src/backend/auth_server/Dockerfile
new file mode 100644
index 00000000..9e1ebf15
--- /dev/null
+++ b/src/backend/auth_server/Dockerfile
@@ -0,0 +1,12 @@
+# Azul Zulu JDK 17 기반 이미지 사용
+FROM azul/zulu-openjdk:17
+
+# 작업 디렉토리 설정
+WORKDIR /app
+
+# 빌드된 JAR 파일 복사
+ARG JAR_FILE=build/libs/auth_server-0.0.1-SNAPSHOT.jar
+COPY ${JAR_FILE} app.jar
+
+# 애플리케이션 실행
+ENTRYPOINT ["java", "-jar", "app.jar"]
\ No newline at end of file
diff --git a/src/backend/chat_server/src/main/java/com/jootalkpia/chat_server/config/WebSocketConfig.java b/src/backend/chat_server/src/main/java/com/jootalkpia/chat_server/config/WebSocketConfig.java
index 84ddaaa9..df03d186 100644
--- a/src/backend/chat_server/src/main/java/com/jootalkpia/chat_server/config/WebSocketConfig.java
+++ b/src/backend/chat_server/src/main/java/com/jootalkpia/chat_server/config/WebSocketConfig.java
@@ -19,8 +19,8 @@ public void configureMessageBroker(MessageBrokerRegistry config) {
 
     @Override
     public void registerStompEndpoints(StompEndpointRegistry registry) {
-        registry.addEndpoint("/ws-connect") //handShake과정에서 사용할 endpoint
-                .setAllowedOriginPatterns("*") // cors
+        registry.addEndpoint("/ws-connect") // STOMP WebSocket 엔드포인트
+                .setAllowedOriginPatterns("*") // CORS 허용
                 .withSockJS(); // SockJS 활성화
     }
 }
diff --git a/src/backend/chat_server/src/main/java/com/jootalkpia/chat_server/controller/ChatController.java b/src/backend/chat_server/src/main/java/com/jootalkpia/chat_server/controller/ChatController.java
index 15cd4589..8c640830 100644
--- a/src/backend/chat_server/src/main/java/com/jootalkpia/chat_server/controller/ChatController.java
+++ b/src/backend/chat_server/src/main/java/com/jootalkpia/chat_server/controller/ChatController.java
@@ -7,11 +7,9 @@
 import org.springframework.messaging.handler.annotation.DestinationVariable;
 import org.springframework.messaging.handler.annotation.MessageMapping;
 import org.springframework.messaging.handler.annotation.SendTo;
-import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
 @RestController
-@RequestMapping
 @RequiredArgsConstructor
 public class ChatController {
 
diff --git a/src/backend/chat_server/src/main/java/com/jootalkpia/chat_server/service/KafkaConsumer.java b/src/backend/chat_server/src/main/java/com/jootalkpia/chat_server/service/KafkaConsumer.java
index 9c6595ae..3a681bcb 100644
--- a/src/backend/chat_server/src/main/java/com/jootalkpia/chat_server/service/KafkaConsumer.java
+++ b/src/backend/chat_server/src/main/java/com/jootalkpia/chat_server/service/KafkaConsumer.java
@@ -1,32 +1,42 @@
 package com.jootalkpia.chat_server.service;
 
 import com.fasterxml.jackson.databind.ObjectMapper;
+import com.jootalkpia.chat_server.dto.ChatMessageResponse;
 import com.jootalkpia.chat_server.dto.ChatMessageToKafka;
 import com.jootalkpia.chat_server.dto.MinutePriceResponse;
+import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.kafka.annotation.KafkaListener;
+import org.springframework.messaging.simp.SimpMessageSendingOperations;
+import org.springframework.messaging.simp.SimpMessagingTemplate;
 import org.springframework.stereotype.Service;
 
 @Service
 @Slf4j
+@RequiredArgsConstructor
 public class KafkaConsumer {
+
+    private final ChatService chatService;
+    private final ObjectMapper objectMapper;
+    private final SimpMessagingTemplate messagingTemplate; // SimpMessagingTemplate 주입
+    private final SimpMessageSendingOperations messagingTemplateBroker; // 내부 메시지 브로커 사용
+
     @KafkaListener(
             topics = "${topic.minute}",
             groupId = "${group.minute}"
     )
     public void processMinutePrice(String kafkaMessage) {
-        log.info("message ===> " + kafkaMessage);
-
-        ObjectMapper mapper = new ObjectMapper();
-
+        log.info("Received Kafka message ===> " + kafkaMessage);
         try {
-            MinutePriceResponse minutePriceResponse = mapper.readValue(kafkaMessage, MinutePriceResponse.class);
+            MinutePriceResponse stockUpdate = objectMapper.readValue(kafkaMessage, MinutePriceResponse.class);
+            String stockDataJson = objectMapper.writeValueAsString(stockUpdate);
+
+            messagingTemplateBroker.convertAndSend("/subscribe/stock", stockDataJson);
 
-            //웹소켓 전달하는 로직 or 전달하는 함수
+            log.info("Broadcasted stock data via WebSocket: " + stockDataJson);
 
-            log.info("dto ===> " + minutePriceResponse.toString());
         } catch (Exception ex) {
-            log.error(ex.getMessage(), ex); // 추후에 GlobalException 처리
+            log.error("Error processing stock message: " + ex.getMessage(), ex);
         }
     }
 
@@ -36,7 +46,7 @@ public void processMinutePrice(String kafkaMessage) {
             concurrency = "2"
     )
     public void processChatMessage(String kafkaMessage) {
-        log.info("message ===> " + kafkaMessage);
+        log.info("Received Kafka message ===> " + kafkaMessage);
 
         ObjectMapper mapper = new ObjectMapper();
 
diff --git a/src/backend/chat_server/src/main/resources/application.yml b/src/backend/chat_server/src/main/resources/application.yml
index 1312d879..93feecda 100644
--- a/src/backend/chat_server/src/main/resources/application.yml
+++ b/src/backend/chat_server/src/main/resources/application.yml
@@ -2,7 +2,7 @@ spring:
   jpa:
     show-sql: true
     hibernate:
-      ddl-auto: update
+      ddl-auto:
     properties:
       hibernate:
         format_sql: true