diff --git a/backend-node/src/app.ts b/backend-node/src/app.ts
index be12bcad..4a07ae1a 100644
--- a/backend-node/src/app.ts
+++ b/backend-node/src/app.ts
@@ -29,7 +29,7 @@ app.use(express.urlencoded({ extended: true, limit: "10mb" }));
 // CORS 설정
 app.use(
   cors({
-    origin: config.cors.origin.split(',').map(url => url.trim()),
+    origin: config.cors.origin.split(",").map((url) => url.trim()),
     credentials: true,
     methods: ["GET", "POST", "PUT", "DELETE", "PATCH", "OPTIONS"],
     allowedHeaders: ["Content-Type", "Authorization", "X-Requested-With"],
@@ -84,11 +84,13 @@ app.use(errorHandler);
 
 // 서버 시작
 const PORT = config.port;
+const HOST = config.host;
 
-app.listen(PORT, () => {
-  logger.info(`🚀 Server is running on port ${PORT}`);
+app.listen(PORT, HOST, () => {
+  logger.info(`🚀 Server is running on ${HOST}:${PORT}`);
   logger.info(`📊 Environment: ${config.nodeEnv}`);
-  logger.info(`🔗 Health check: http://localhost:${PORT}/health`);
+  logger.info(`🔗 Health check: http://${HOST}:${PORT}/health`);
+  logger.info(`🌐 External access: http://39.117.244.52:${PORT}/health`);
 });
 
 export default app;
diff --git a/frontend/lib/api/client.ts b/frontend/lib/api/client.ts
index 5404774a..f58319af 100644
--- a/frontend/lib/api/client.ts
+++ b/frontend/lib/api/client.ts
@@ -2,24 +2,24 @@ import axios, { AxiosResponse, AxiosError } from "axios";
 
 // API 기본 URL 동적 설정 (클라이언트 사이드에서 현재 도메인 기반으로 결정)
 const getApiBaseUrl = (): string => {
-  if (typeof window !== 'undefined') {
+  if (typeof window !== "undefined") {
     const currentHost = window.location.hostname;
     const currentPort = window.location.port;
-    
+
     // 외부 IP로 접근한 경우
-    if (currentHost === '39.117.244.52') {
-      return 'http://39.117.244.52:8080/api';
+    if (currentHost === "39.117.244.52") {
+      return "http://39.117.244.52:8080/api";
     }
     // 내부 IP로 접근한 경우
-    else if (currentHost === '192.168.0.70') {
-      return 'http://192.168.0.70:8080/api';
+    else if (currentHost === "192.168.0.70") {
+      return "http://192.168.0.70:8080/api";
     }
     // localhost로 접근한 경우
-    else if (currentHost === 'localhost' || currentHost === '127.0.0.1') {
-      return 'http://localhost:8080/api';
+    else if (currentHost === "localhost" || currentHost === "127.0.0.1") {
+      return "http://localhost:8080/api";
     }
   }
-  
+
   // 서버 사이드 렌더링이나 기본값
   return process.env.NEXT_PUBLIC_API_URL || "http://39.117.244.52:8080/api";
 };