From 2d6b0fc7ceaad90d97b41fc2e2e46bd1155dc4ea Mon Sep 17 00:00:00 2001
From: hyeonsu <hyeonsu@wace.me>
Date: Thu, 4 Sep 2025 11:46:42 +0900
Subject: [PATCH 01/19] =?UTF-8?q?ip=20adress=20=EC=B6=94=EA=B0=80?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 backend-node/src/app.ts                |  2 +-
 backend-node/src/config/environment.ts |  4 ++--
 frontend/lib/api/client.ts             | 27 ++++++++++++++++++++++++--
 frontend/next.config.mjs               |  2 +-
 4 files changed, 29 insertions(+), 6 deletions(-)

diff --git a/backend-node/src/app.ts b/backend-node/src/app.ts
index 3b281d19..be12bcad 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,
+    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"],
diff --git a/backend-node/src/config/environment.ts b/backend-node/src/config/environment.ts
index be936f76..56478ae3 100644
--- a/backend-node/src/config/environment.ts
+++ b/backend-node/src/config/environment.ts
@@ -82,8 +82,8 @@ const config: Config = {
 
   // CORS 설정
   cors: {
-    origin: process.env.CORS_ORIGIN || "http://localhost:9771",
-    credentials: process.env.CORS_CREDENTIALS === "true",
+    origin: process.env.CORS_ORIGIN || "http://localhost:9771,http://192.168.0.70:5555,http://39.117.244.52:5555",
+    credentials: process.env.CORS_CREDENTIALS === "true" || true,
   },
 
   // 로깅 설정
diff --git a/frontend/lib/api/client.ts b/frontend/lib/api/client.ts
index e3eef389..5404774a 100644
--- a/frontend/lib/api/client.ts
+++ b/frontend/lib/api/client.ts
@@ -1,7 +1,30 @@
 import axios, { AxiosResponse, AxiosError } from "axios";
 
-// API 기본 URL 설정
-export const API_BASE_URL = process.env.NEXT_PUBLIC_API_URL || "http://localhost:8080/api";
+// API 기본 URL 동적 설정 (클라이언트 사이드에서 현재 도메인 기반으로 결정)
+const getApiBaseUrl = (): string => {
+  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';
+    }
+    // 내부 IP로 접근한 경우
+    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';
+    }
+  }
+  
+  // 서버 사이드 렌더링이나 기본값
+  return process.env.NEXT_PUBLIC_API_URL || "http://39.117.244.52:8080/api";
+};
+
+export const API_BASE_URL = getApiBaseUrl();
 
 // JWT 토큰 관리 유틸리티
 const TokenManager = {
diff --git a/frontend/next.config.mjs b/frontend/next.config.mjs
index 286faf4a..5323571a 100644
--- a/frontend/next.config.mjs
+++ b/frontend/next.config.mjs
@@ -43,7 +43,7 @@ const nextConfig = {
 
   // 환경 변수 (런타임에 읽기)
   env: {
-    NEXT_PUBLIC_API_URL: process.env.NEXT_PUBLIC_API_URL || "http://192.168.0.70:8080/api",
+    NEXT_PUBLIC_API_URL: process.env.NEXT_PUBLIC_API_URL || "http://39.117.244.52:8080/api",
   },
 };
 

From a03db24ab9c6522457a3afef81495118ab08cd73 Mon Sep 17 00:00:00 2001
From: hyeonsu <hyeonsu@wace.me>
Date: Thu, 4 Sep 2025 12:02:35 +0900
Subject: [PATCH 02/19] =?UTF-8?q?=EB=8F=99=EC=A0=81=20API=20URL=20?=
 =?UTF-8?q?=EC=84=A4=EC=A0=95?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 backend-node/src/app.ts    | 10 ++++++----
 frontend/lib/api/client.ts | 18 +++++++++---------
 2 files changed, 15 insertions(+), 13 deletions(-)

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";
 };

From 8d76df1cfe9c19c95715a8f16e4489ed6e221fda Mon Sep 17 00:00:00 2001
From: hyeonsu <hyeonsu@wace.me>
Date: Thu, 4 Sep 2025 12:14:06 +0900
Subject: [PATCH 03/19] =?UTF-8?q?=EB=8F=84=EC=BB=A4=20yml=EC=97=90=20cors?=
 =?UTF-8?q?=20=EC=B6=94=EA=B0=80?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 docker/prod/docker-compose.backend.prod.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docker/prod/docker-compose.backend.prod.yml b/docker/prod/docker-compose.backend.prod.yml
index cd29965c..78e5e994 100644
--- a/docker/prod/docker-compose.backend.prod.yml
+++ b/docker/prod/docker-compose.backend.prod.yml
@@ -13,7 +13,7 @@ services:
       - DATABASE_URL=postgresql://postgres:ph0909!!@39.117.244.52:11132/plm
       - JWT_SECRET=ilshin-plm-super-secret-jwt-key-2024
       - JWT_EXPIRES_IN=24h
-      - CORS_ORIGIN=http://192.168.0.70:5555
+      - CORS_ORIGIN=http://192.168.0.70:5555,http://39.117.244.52:5555
       - CORS_CREDENTIALS=true
       - LOG_LEVEL=info
     # 운영용에서는 볼륨 마운트 없음 (보안상 이유)

From 22b8bdd4002608cf4be3cdf86e5eebafdb284190 Mon Sep 17 00:00:00 2001
From: hyeonsu <hyeonsu@wace.me>
Date: Thu, 4 Sep 2025 12:27:45 +0900
Subject: [PATCH 04/19] =?UTF-8?q?=EB=82=B4=EB=B6=80=20IP=EB=A1=9C=20?=
 =?UTF-8?q?=EB=B0=94=EC=9D=B8=EB=94=A9?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 frontend/lib/api/client.ts | 27 ++-------------------------
 frontend/next.config.mjs   |  4 ++--
 2 files changed, 4 insertions(+), 27 deletions(-)

diff --git a/frontend/lib/api/client.ts b/frontend/lib/api/client.ts
index f58319af..a141be3f 100644
--- a/frontend/lib/api/client.ts
+++ b/frontend/lib/api/client.ts
@@ -1,30 +1,7 @@
 import axios, { AxiosResponse, AxiosError } from "axios";
 
-// API 기본 URL 동적 설정 (클라이언트 사이드에서 현재 도메인 기반으로 결정)
-const getApiBaseUrl = (): string => {
-  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";
-    }
-    // 내부 IP로 접근한 경우
-    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";
-    }
-  }
-
-  // 서버 사이드 렌더링이나 기본값
-  return process.env.NEXT_PUBLIC_API_URL || "http://39.117.244.52:8080/api";
-};
-
-export const API_BASE_URL = getApiBaseUrl();
+// API 기본 URL 설정 - 모든 접근에서 내부 IP 사용 (Option B)
+export const API_BASE_URL = "http://192.168.0.70:8080/api";
 
 // JWT 토큰 관리 유틸리티
 const TokenManager = {
diff --git a/frontend/next.config.mjs b/frontend/next.config.mjs
index 5323571a..d9ef4ce9 100644
--- a/frontend/next.config.mjs
+++ b/frontend/next.config.mjs
@@ -41,9 +41,9 @@ const nextConfig = {
     ];
   },
 
-  // 환경 변수 (런타임에 읽기)
+  // 환경 변수 (런타임에 읽기) - 내부 IP로 통일
   env: {
-    NEXT_PUBLIC_API_URL: process.env.NEXT_PUBLIC_API_URL || "http://39.117.244.52:8080/api",
+    NEXT_PUBLIC_API_URL: process.env.NEXT_PUBLIC_API_URL || "http://192.168.0.70:8080/api",
   },
 };
 

From b4e01641a040af24720511d9917c420667e19edb Mon Sep 17 00:00:00 2001
From: hyeonsu <hyeonsu@wace.me>
Date: Thu, 4 Sep 2025 13:56:26 +0900
Subject: [PATCH 05/19] =?UTF-8?q?=EC=A1=B0=EA=B1=B4=EB=B6=80=20API=20URL?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 frontend/lib/api/client.ts | 31 ++++++++++++++++++++++++++++---
 1 file changed, 28 insertions(+), 3 deletions(-)

diff --git a/frontend/lib/api/client.ts b/frontend/lib/api/client.ts
index a141be3f..c73c53eb 100644
--- a/frontend/lib/api/client.ts
+++ b/frontend/lib/api/client.ts
@@ -1,7 +1,29 @@
 import axios, { AxiosResponse, AxiosError } from "axios";
 
-// API 기본 URL 설정 - 모든 접근에서 내부 IP 사용 (Option B)
-export const API_BASE_URL = "http://192.168.0.70:8080/api";
+// API 기본 URL 동적 설정 - 접속 위치에 따라 최적 경로 선택
+const getApiBaseUrl = (): string => {
+  if (typeof window !== "undefined") {
+    const currentHost = window.location.hostname;
+
+    // 외부 IP로 접근한 경우 - 외부 IP로 API 호출
+    if (currentHost === "39.117.244.52") {
+      return "http://39.117.244.52:8080/api";
+    }
+    // 내부 IP로 접근한 경우 - 내부 IP로 API 호출
+    else if (currentHost === "192.168.0.70") {
+      return "http://192.168.0.70:8080/api";
+    }
+    // localhost로 접근한 경우 - localhost로 API 호출
+    else if (currentHost === "localhost" || currentHost === "127.0.0.1") {
+      return "http://localhost:8080/api";
+    }
+  }
+
+  // 서버 사이드 렌더링이나 기본값 - 외부 IP 사용
+  return process.env.NEXT_PUBLIC_API_URL || "http://39.117.244.52:8080/api";
+};
+
+export const API_BASE_URL = getApiBaseUrl();
 
 // JWT 토큰 관리 유틸리티
 const TokenManager = {
@@ -43,6 +65,7 @@ apiClient.interceptors.request.use(
       tokenStart: token ? token.substring(0, 30) + "..." : "없음",
       url: config.url,
       method: config.method,
+      baseURL: config.baseURL,
     });
 
     if (token && !TokenManager.isTokenExpired(token)) {
@@ -92,7 +115,9 @@ apiClient.interceptors.request.use(
       }
     }
 
-    console.log("📡 API 요청:", config.method?.toUpperCase(), config.url, config.params, config.data);
+    // TypeScript 안전성을 위한 null 체크
+    const fullUrl = `${config.baseURL || ""}${config.url || ""}`;
+    console.log("📡 API 요청:", config.method?.toUpperCase(), fullUrl, config.params, config.data);
     console.log("📋 요청 헤더:", config.headers);
     return config;
   },

From 22b0f839c6b4e9a5349ddb10d9212d95869220bc Mon Sep 17 00:00:00 2001
From: hyeonsu <hyeonsu@wace.me>
Date: Thu, 4 Sep 2025 14:11:20 +0900
Subject: [PATCH 06/19] =?UTF-8?q?=EB=AA=85=EC=8B=9C=EC=A0=81=20HOST=20?=
 =?UTF-8?q?=EC=84=A4=EC=A0=95=20=EC=B6=94=EA=B0=80?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 docker/prod/docker-compose.backend.prod.yml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/docker/prod/docker-compose.backend.prod.yml b/docker/prod/docker-compose.backend.prod.yml
index 78e5e994..4bd7a8be 100644
--- a/docker/prod/docker-compose.backend.prod.yml
+++ b/docker/prod/docker-compose.backend.prod.yml
@@ -10,6 +10,7 @@ services:
     environment:
       - NODE_ENV=production
       - PORT=8080
+      - HOST=0.0.0.0
       - DATABASE_URL=postgresql://postgres:ph0909!!@39.117.244.52:11132/plm
       - JWT_SECRET=ilshin-plm-super-secret-jwt-key-2024
       - JWT_EXPIRES_IN=24h

From c78b239db2d2af5d29fcd246344c119d83603317 Mon Sep 17 00:00:00 2001
From: hyeonsu <hyeonsu@wace.me>
Date: Thu, 4 Sep 2025 14:15:25 +0900
Subject: [PATCH 07/19] =?UTF-8?q?=ED=8C=8C=EC=9D=BC=20=EB=90=98=EB=8F=8C?=
 =?UTF-8?q?=EB=A6=AC=EA=B8=B0?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 docker/prod/docker-compose.backend.prod.yml |  1 -
 frontend/lib/api/client.ts                  | 31 ++-------------------
 2 files changed, 3 insertions(+), 29 deletions(-)

diff --git a/docker/prod/docker-compose.backend.prod.yml b/docker/prod/docker-compose.backend.prod.yml
index 4bd7a8be..78e5e994 100644
--- a/docker/prod/docker-compose.backend.prod.yml
+++ b/docker/prod/docker-compose.backend.prod.yml
@@ -10,7 +10,6 @@ services:
     environment:
       - NODE_ENV=production
       - PORT=8080
-      - HOST=0.0.0.0
       - DATABASE_URL=postgresql://postgres:ph0909!!@39.117.244.52:11132/plm
       - JWT_SECRET=ilshin-plm-super-secret-jwt-key-2024
       - JWT_EXPIRES_IN=24h
diff --git a/frontend/lib/api/client.ts b/frontend/lib/api/client.ts
index c73c53eb..a141be3f 100644
--- a/frontend/lib/api/client.ts
+++ b/frontend/lib/api/client.ts
@@ -1,29 +1,7 @@
 import axios, { AxiosResponse, AxiosError } from "axios";
 
-// API 기본 URL 동적 설정 - 접속 위치에 따라 최적 경로 선택
-const getApiBaseUrl = (): string => {
-  if (typeof window !== "undefined") {
-    const currentHost = window.location.hostname;
-
-    // 외부 IP로 접근한 경우 - 외부 IP로 API 호출
-    if (currentHost === "39.117.244.52") {
-      return "http://39.117.244.52:8080/api";
-    }
-    // 내부 IP로 접근한 경우 - 내부 IP로 API 호출
-    else if (currentHost === "192.168.0.70") {
-      return "http://192.168.0.70:8080/api";
-    }
-    // localhost로 접근한 경우 - localhost로 API 호출
-    else if (currentHost === "localhost" || currentHost === "127.0.0.1") {
-      return "http://localhost:8080/api";
-    }
-  }
-
-  // 서버 사이드 렌더링이나 기본값 - 외부 IP 사용
-  return process.env.NEXT_PUBLIC_API_URL || "http://39.117.244.52:8080/api";
-};
-
-export const API_BASE_URL = getApiBaseUrl();
+// API 기본 URL 설정 - 모든 접근에서 내부 IP 사용 (Option B)
+export const API_BASE_URL = "http://192.168.0.70:8080/api";
 
 // JWT 토큰 관리 유틸리티
 const TokenManager = {
@@ -65,7 +43,6 @@ apiClient.interceptors.request.use(
       tokenStart: token ? token.substring(0, 30) + "..." : "없음",
       url: config.url,
       method: config.method,
-      baseURL: config.baseURL,
     });
 
     if (token && !TokenManager.isTokenExpired(token)) {
@@ -115,9 +92,7 @@ apiClient.interceptors.request.use(
       }
     }
 
-    // TypeScript 안전성을 위한 null 체크
-    const fullUrl = `${config.baseURL || ""}${config.url || ""}`;
-    console.log("📡 API 요청:", config.method?.toUpperCase(), fullUrl, config.params, config.data);
+    console.log("📡 API 요청:", config.method?.toUpperCase(), config.url, config.params, config.data);
     console.log("📋 요청 헤더:", config.headers);
     return config;
   },

From 103dd9907d55225d4648a904c00ca2fb78738297 Mon Sep 17 00:00:00 2001
From: hyeonsu <hyeonsu@wace.me>
Date: Thu, 4 Sep 2025 14:45:58 +0900
Subject: [PATCH 08/19] =?UTF-8?q?=EC=99=B8=EB=B6=80=20ip=20=EB=A1=9C=20=20?=
 =?UTF-8?q?api=20=ED=98=B8=EC=B6=9C=20=EC=A0=84=ED=99=98?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 docker/prod/docker-compose.backend.prod.yml | 7 ++-----
 frontend/lib/api/client.ts                  | 3 +--
 frontend/next.config.mjs                    | 2 +-
 3 files changed, 4 insertions(+), 8 deletions(-)

diff --git a/docker/prod/docker-compose.backend.prod.yml b/docker/prod/docker-compose.backend.prod.yml
index 78e5e994..3cded048 100644
--- a/docker/prod/docker-compose.backend.prod.yml
+++ b/docker/prod/docker-compose.backend.prod.yml
@@ -5,20 +5,17 @@ services:
       context: ../../backend-node
       dockerfile: ../docker/prod/backend.Dockerfile # 운영용 Dockerfile
     container_name: pms-backend-prod
-    ports:
-      - "8080:8080"
+    network_mode: "host" # 호스트 네트워크 모드
     environment:
       - NODE_ENV=production
       - PORT=8080
+      - HOST=0.0.0.0 # 모든 인터페이스에서 바인딩
       - DATABASE_URL=postgresql://postgres:ph0909!!@39.117.244.52:11132/plm
       - JWT_SECRET=ilshin-plm-super-secret-jwt-key-2024
       - JWT_EXPIRES_IN=24h
       - CORS_ORIGIN=http://192.168.0.70:5555,http://39.117.244.52:5555
       - CORS_CREDENTIALS=true
       - LOG_LEVEL=info
-    # 운영용에서는 볼륨 마운트 없음 (보안상 이유)
-    networks:
-      - pms-network
     restart: unless-stopped
     healthcheck:
       test: ["CMD", "curl", "-f", "http://localhost:8080/health"]
diff --git a/frontend/lib/api/client.ts b/frontend/lib/api/client.ts
index a141be3f..659a512a 100644
--- a/frontend/lib/api/client.ts
+++ b/frontend/lib/api/client.ts
@@ -1,7 +1,6 @@
 import axios, { AxiosResponse, AxiosError } from "axios";
 
-// API 기본 URL 설정 - 모든 접근에서 내부 IP 사용 (Option B)
-export const API_BASE_URL = "http://192.168.0.70:8080/api";
+export const API_BASE_URL = "http://39.117.244.52:8080/api";
 
 // JWT 토큰 관리 유틸리티
 const TokenManager = {
diff --git a/frontend/next.config.mjs b/frontend/next.config.mjs
index d9ef4ce9..50f2755d 100644
--- a/frontend/next.config.mjs
+++ b/frontend/next.config.mjs
@@ -43,7 +43,7 @@ const nextConfig = {
 
   // 환경 변수 (런타임에 읽기) - 내부 IP로 통일
   env: {
-    NEXT_PUBLIC_API_URL: process.env.NEXT_PUBLIC_API_URL || "http://192.168.0.70:8080/api",
+    NEXT_PUBLIC_API_URL: process.env.NEXT_PUBLIC_API_URL || "http://39.117.244.52:8080/api",
   },
 };
 

From fc5bd97ac1e9b4f76c6895c975c564d32488dc50 Mon Sep 17 00:00:00 2001
From: hyeonsu <hyeonsu@wace.me>
Date: Thu, 4 Sep 2025 15:18:25 +0900
Subject: [PATCH 09/19] =?UTF-8?q?=EB=8F=99=EC=A0=81=20API=20URL=20?=
 =?UTF-8?q?=EC=84=A4=EC=A0=95?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 docker/prod/docker-compose.backend.prod.yml |  2 +-
 frontend/lib/api/client.ts                  | 25 ++++++++++++++++++++-
 frontend/next.config.mjs                    |  4 ++--
 3 files changed, 27 insertions(+), 4 deletions(-)

diff --git a/docker/prod/docker-compose.backend.prod.yml b/docker/prod/docker-compose.backend.prod.yml
index 3cded048..85a0d189 100644
--- a/docker/prod/docker-compose.backend.prod.yml
+++ b/docker/prod/docker-compose.backend.prod.yml
@@ -13,7 +13,7 @@ services:
       - DATABASE_URL=postgresql://postgres:ph0909!!@39.117.244.52:11132/plm
       - JWT_SECRET=ilshin-plm-super-secret-jwt-key-2024
       - JWT_EXPIRES_IN=24h
-      - CORS_ORIGIN=http://192.168.0.70:5555,http://39.117.244.52:5555
+      - CORS_ORIGIN=http://192.168.0.70:5555,http://39.117.244.52:5555,http://localhost:9771
       - CORS_CREDENTIALS=true
       - LOG_LEVEL=info
     restart: unless-stopped
diff --git a/frontend/lib/api/client.ts b/frontend/lib/api/client.ts
index 659a512a..b77aa173 100644
--- a/frontend/lib/api/client.ts
+++ b/frontend/lib/api/client.ts
@@ -1,6 +1,29 @@
 import axios, { AxiosResponse, AxiosError } from "axios";
 
-export const API_BASE_URL = "http://39.117.244.52:8080/api";
+// API 기본 URL 동적 설정 - 접속 도메인에 따라 최적 API URL 결정
+const getApiBaseUrl = (): string => {
+  if (typeof window !== "undefined") {
+    const currentHost = window.location.hostname;
+
+    // 로컬 개발환경
+    if (currentHost === "localhost" || currentHost === "127.0.0.1") {
+      return "http://localhost:8080/api";
+    }
+    // 내부 IP 접근 - 외부 IP로 통일
+    else if (currentHost === "192.168.0.70") {
+      return "http://39.117.244.52:8080/api";
+    }
+    // 외부 IP 접근
+    else if (currentHost === "39.117.244.52") {
+      return "http://39.117.244.52:8080/api";
+    }
+  }
+
+  // 서버 사이드 렌더링이나 기본값
+  return process.env.NEXT_PUBLIC_API_URL || "http://39.117.244.52:8080/api";
+};
+
+export const API_BASE_URL = getApiBaseUrl();
 
 // JWT 토큰 관리 유틸리티
 const TokenManager = {
diff --git a/frontend/next.config.mjs b/frontend/next.config.mjs
index 50f2755d..9e986dab 100644
--- a/frontend/next.config.mjs
+++ b/frontend/next.config.mjs
@@ -41,9 +41,9 @@ const nextConfig = {
     ];
   },
 
-  // 환경 변수 (런타임에 읽기) - 내부 IP로 통일
+  // 환경 변수 (런타임에 읽기) - 로컬 개발환경용
   env: {
-    NEXT_PUBLIC_API_URL: process.env.NEXT_PUBLIC_API_URL || "http://39.117.244.52:8080/api",
+    NEXT_PUBLIC_API_URL: process.env.NEXT_PUBLIC_API_URL || "http://localhost:8080/api",
   },
 };
 

From 62e31fa68263c858907e90a566164fbcd9862bab Mon Sep 17 00:00:00 2001
From: hyeonsu <hyeonsu@wace.me>
Date: Thu, 4 Sep 2025 15:27:30 +0900
Subject: [PATCH 10/19] =?UTF-8?q?=EB=8D=94=20=EA=B0=95=EB=A0=A5=ED=95=9C?=
 =?UTF-8?q?=20=EB=8F=99=EC=A0=81=20=EC=84=A4=EC=A0=95?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 frontend/lib/api/client.ts | 35 +++++++++++++++++++++++++++++------
 1 file changed, 29 insertions(+), 6 deletions(-)

diff --git a/frontend/lib/api/client.ts b/frontend/lib/api/client.ts
index b77aa173..6f448a9c 100644
--- a/frontend/lib/api/client.ts
+++ b/frontend/lib/api/client.ts
@@ -1,29 +1,40 @@
 import axios, { AxiosResponse, AxiosError } from "axios";
 
-// API 기본 URL 동적 설정 - 접속 도메인에 따라 최적 API URL 결정
+// API 기본 URL 동적 설정 - 런타임에 결정
 const getApiBaseUrl = (): string => {
+  // 브라우저 환경에서만 동적 결정
   if (typeof window !== "undefined") {
     const currentHost = window.location.hostname;
+    console.log("🌐 현재 접속 호스트:", currentHost);
 
     // 로컬 개발환경
     if (currentHost === "localhost" || currentHost === "127.0.0.1") {
+      console.log("🏠 로컬 개발환경 감지 → localhost:8080/api");
       return "http://localhost:8080/api";
     }
     // 내부 IP 접근 - 외부 IP로 통일
     else if (currentHost === "192.168.0.70") {
+      console.log("🏢 내부 IP 접근 감지 → 39.117.244.52:8080/api");
       return "http://39.117.244.52:8080/api";
     }
     // 외부 IP 접근
     else if (currentHost === "39.117.244.52") {
+      console.log("🌍 외부 IP 접근 감지 → 39.117.244.52:8080/api");
       return "http://39.117.244.52:8080/api";
     }
   }
 
-  // 서버 사이드 렌더링이나 기본값
-  return process.env.NEXT_PUBLIC_API_URL || "http://39.117.244.52:8080/api";
+  // 서버 사이드 렌더링이나 기본값 - 외부 IP 사용
+  console.log("🖥️ 서버 사이드 렌더링 → 39.117.244.52:8080/api");
+  return "http://39.117.244.52:8080/api";
 };
 
-export const API_BASE_URL = getApiBaseUrl();
+// 런타임에 동적으로 결정되도록 함수로 변경
+const getDynamicApiBaseUrl = () => {
+  return getApiBaseUrl();
+};
+
+export const API_BASE_URL = getDynamicApiBaseUrl();
 
 // JWT 토큰 관리 유틸리티
 const TokenManager = {
@@ -44,9 +55,8 @@ const TokenManager = {
   },
 };
 
-// Axios 인스턴스 생성
+// Axios 인스턴스 생성 - 동적 baseURL 설정
 export const apiClient = axios.create({
-  baseURL: API_BASE_URL,
   timeout: 10000,
   headers: {
     "Content-Type": "application/json",
@@ -54,6 +64,19 @@ export const apiClient = axios.create({
   withCredentials: true, // 쿠키 포함
 });
 
+// 매 요청마다 baseURL을 동적으로 설정
+apiClient.interceptors.request.use(
+  (config) => {
+    // 동적 baseURL 설정
+    const dynamicBaseURL = getApiBaseUrl();
+    config.baseURL = dynamicBaseURL;
+    console.log("🔗 동적 API URL 설정:", dynamicBaseURL);
+
+    return config;
+  },
+  (error) => Promise.reject(error),
+);
+
 // 요청 인터셉터
 apiClient.interceptors.request.use(
   (config) => {

From 0d629a27a6f860b396df24cc0075d1e2f018e71c Mon Sep 17 00:00:00 2001
From: hyeonsu <hyeonsu@wace.me>
Date: Thu, 4 Sep 2025 15:39:29 +0900
Subject: [PATCH 11/19] =?UTF-8?q?=EC=84=9C=EB=B2=84/=EB=A1=9C=EC=BB=AC=20?=
 =?UTF-8?q?=EB=82=98=EB=88=A0=20=EC=84=A4=EC=A0=95?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 frontend/lib/api/client.ts | 46 ++++++++------------------------------
 1 file changed, 9 insertions(+), 37 deletions(-)

diff --git a/frontend/lib/api/client.ts b/frontend/lib/api/client.ts
index 6f448a9c..f0bc3321 100644
--- a/frontend/lib/api/client.ts
+++ b/frontend/lib/api/client.ts
@@ -1,40 +1,24 @@
 import axios, { AxiosResponse, AxiosError } from "axios";
 
-// API 기본 URL 동적 설정 - 런타임에 결정
+// API URL 동적 설정 - 환경별 명확한 분리
 const getApiBaseUrl = (): string => {
-  // 브라우저 환경에서만 동적 결정
   if (typeof window !== "undefined") {
     const currentHost = window.location.hostname;
-    console.log("🌐 현재 접속 호스트:", currentHost);
 
-    // 로컬 개발환경
+    // 로컬 개발환경: localhost:9771 → localhost:8080
     if (currentHost === "localhost" || currentHost === "127.0.0.1") {
-      console.log("🏠 로컬 개발환경 감지 → localhost:8080/api");
       return "http://localhost:8080/api";
     }
-    // 내부 IP 접근 - 외부 IP로 통일
-    else if (currentHost === "192.168.0.70") {
-      console.log("🏢 내부 IP 접근 감지 → 39.117.244.52:8080/api");
-      return "http://39.117.244.52:8080/api";
-    }
-    // 외부 IP 접근
-    else if (currentHost === "39.117.244.52") {
-      console.log("🌍 외부 IP 접근 감지 → 39.117.244.52:8080/api");
-      return "http://39.117.244.52:8080/api";
-    }
+
+    // 서버 환경 (내부/외부 IP 모두): → 39.117.244.52:8080
+    return "http://39.117.244.52:8080/api";
   }
 
-  // 서버 사이드 렌더링이나 기본값 - 외부 IP 사용
-  console.log("🖥️ 서버 사이드 렌더링 → 39.117.244.52:8080/api");
+  // 서버 사이드 렌더링 기본값
   return "http://39.117.244.52:8080/api";
 };
 
-// 런타임에 동적으로 결정되도록 함수로 변경
-const getDynamicApiBaseUrl = () => {
-  return getApiBaseUrl();
-};
-
-export const API_BASE_URL = getDynamicApiBaseUrl();
+export const API_BASE_URL = getApiBaseUrl();
 
 // JWT 토큰 관리 유틸리티
 const TokenManager = {
@@ -55,8 +39,9 @@ const TokenManager = {
   },
 };
 
-// Axios 인스턴스 생성 - 동적 baseURL 설정
+// Axios 인스턴스 생성
 export const apiClient = axios.create({
+  baseURL: API_BASE_URL,
   timeout: 10000,
   headers: {
     "Content-Type": "application/json",
@@ -64,19 +49,6 @@ export const apiClient = axios.create({
   withCredentials: true, // 쿠키 포함
 });
 
-// 매 요청마다 baseURL을 동적으로 설정
-apiClient.interceptors.request.use(
-  (config) => {
-    // 동적 baseURL 설정
-    const dynamicBaseURL = getApiBaseUrl();
-    config.baseURL = dynamicBaseURL;
-    console.log("🔗 동적 API URL 설정:", dynamicBaseURL);
-
-    return config;
-  },
-  (error) => Promise.reject(error),
-);
-
 // 요청 인터셉터
 apiClient.interceptors.request.use(
   (config) => {

From 592b4d72224b71dce64561604195f0a127fc17e6 Mon Sep 17 00:00:00 2001
From: hyeonsu <hyeonsu@wace.me>
Date: Thu, 4 Sep 2025 15:46:17 +0900
Subject: [PATCH 12/19] =?UTF-8?q?=EB=94=94=EB=B2=84=EA=B7=B8=20=EB=A1=9C?=
 =?UTF-8?q?=EA=B7=B8=20=EC=B6=94=EA=B0=80?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 frontend/lib/api/client.ts | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/frontend/lib/api/client.ts b/frontend/lib/api/client.ts
index f0bc3321..e3d79d1a 100644
--- a/frontend/lib/api/client.ts
+++ b/frontend/lib/api/client.ts
@@ -2,19 +2,31 @@ import axios, { AxiosResponse, AxiosError } from "axios";
 
 // API URL 동적 설정 - 환경별 명확한 분리
 const getApiBaseUrl = (): string => {
+  console.log("🔍 API URL 결정 시작!");
+
   if (typeof window !== "undefined") {
     const currentHost = window.location.hostname;
+    const fullUrl = window.location.href;
+
+    console.log("🌐 현재 접속 정보:", {
+      hostname: currentHost,
+      fullUrl: fullUrl,
+      port: window.location.port,
+    });
 
     // 로컬 개발환경: localhost:9771 → localhost:8080
     if (currentHost === "localhost" || currentHost === "127.0.0.1") {
+      console.log("🏠 로컬 환경 감지 → localhost:8080/api");
       return "http://localhost:8080/api";
     }
 
     // 서버 환경 (내부/외부 IP 모두): → 39.117.244.52:8080
+    console.log("🌍 서버 환경 감지 → 39.117.244.52:8080/api");
     return "http://39.117.244.52:8080/api";
   }
 
   // 서버 사이드 렌더링 기본값
+  console.log("🖥️ SSR 기본값 → 39.117.244.52:8080/api");
   return "http://39.117.244.52:8080/api";
 };
 

From 205dc05251800db90615bedef6d0b976c13f0f9f Mon Sep 17 00:00:00 2001
From: hyeonsu <hyeonsu@wace.me>
Date: Thu, 4 Sep 2025 16:01:33 +0900
Subject: [PATCH 13/19] =?UTF-8?q?=EC=9A=94=EC=B2=AD=20=EC=84=9C=EB=B2=84?=
 =?UTF-8?q?=20=EC=A3=BC=EC=86=8C=20=EC=88=98=EC=A0=95(claude)?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 frontend/lib/api/client.ts | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/frontend/lib/api/client.ts b/frontend/lib/api/client.ts
index e3d79d1a..41987d41 100644
--- a/frontend/lib/api/client.ts
+++ b/frontend/lib/api/client.ts
@@ -6,17 +6,18 @@ const getApiBaseUrl = (): string => {
 
   if (typeof window !== "undefined") {
     const currentHost = window.location.hostname;
+    const currentPort = window.location.port;
     const fullUrl = window.location.href;
 
     console.log("🌐 현재 접속 정보:", {
       hostname: currentHost,
       fullUrl: fullUrl,
-      port: window.location.port,
+      port: currentPort,
     });
 
     // 로컬 개발환경: localhost:9771 → localhost:8080
-    if (currentHost === "localhost" || currentHost === "127.0.0.1") {
-      console.log("🏠 로컬 환경 감지 → localhost:8080/api");
+    if ((currentHost === "localhost" || currentHost === "127.0.0.1") && currentPort === "9771") {
+      console.log("🏠 로컬 개발 환경 감지 → localhost:8080/api");
       return "http://localhost:8080/api";
     }
 

From 272385a120d3775494fef09574cbf76bb48a8ae3 Mon Sep 17 00:00:00 2001
From: hyeonsu <hyeonsu@wace.me>
Date: Thu, 4 Sep 2025 16:10:26 +0900
Subject: [PATCH 14/19] =?UTF-8?q?=EC=B6=94=EA=B0=80=EC=88=98=EC=A0=95=20(c?=
 =?UTF-8?q?laude)?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 frontend/lib/api/client.ts | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/frontend/lib/api/client.ts b/frontend/lib/api/client.ts
index 41987d41..ecd20973 100644
--- a/frontend/lib/api/client.ts
+++ b/frontend/lib/api/client.ts
@@ -21,7 +21,13 @@ const getApiBaseUrl = (): string => {
       return "http://localhost:8080/api";
     }
 
-    // 서버 환경 (내부/외부 IP 모두): → 39.117.244.52:8080
+    // 서버 환경에서 localhost:5555 → 39.117.244.52:8080
+    if ((currentHost === "localhost" || currentHost === "127.0.0.1") && currentPort === "5555") {
+      console.log("🌍 서버 환경 (localhost:5555) 감지 → 39.117.244.52:8080/api");
+      return "http://39.117.244.52:8080/api";
+    }
+
+    // 기타 서버 환경 (내부/외부 IP): → 39.117.244.52:8080
     console.log("🌍 서버 환경 감지 → 39.117.244.52:8080/api");
     return "http://39.117.244.52:8080/api";
   }

From 71b509b11ed8b288d883b3ba891ff40281d0bb82 Mon Sep 17 00:00:00 2001
From: hyeonsu <hyeonsu@wace.me>
Date: Thu, 4 Sep 2025 16:29:57 +0900
Subject: [PATCH 15/19] =?UTF-8?q?CORS=20origin=20=EC=B2=98=EB=A6=AC=20?=
 =?UTF-8?q?=EB=8B=A8=EC=88=9C=ED=99=94?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 backend-node/src/app.ts                |  6 +++---
 backend-node/src/config/environment.ts | 26 +++++++++++++++++++++++---
 2 files changed, 26 insertions(+), 6 deletions(-)

diff --git a/backend-node/src/app.ts b/backend-node/src/app.ts
index 3b567a0a..465570ce 100644
--- a/backend-node/src/app.ts
+++ b/backend-node/src/app.ts
@@ -27,11 +27,11 @@ app.use(compression());
 app.use(express.json({ limit: "10mb" }));
 app.use(express.urlencoded({ extended: true, limit: "10mb" }));
 
-// CORS 설정
+// CORS 설정 - environment.ts에서 이미 올바른 형태로 처리됨
 app.use(
   cors({
-    origin: config.cors.origin.split(",").map((url) => url.trim()),
-    credentials: true,
+    origin: config.cors.origin, // 이미 배열 또는 boolean으로 처리됨
+    credentials: config.cors.credentials,
     methods: ["GET", "POST", "PUT", "DELETE", "PATCH", "OPTIONS"],
     allowedHeaders: ["Content-Type", "Authorization", "X-Requested-With"],
   })
diff --git a/backend-node/src/config/environment.ts b/backend-node/src/config/environment.ts
index 56478ae3..62fe0635 100644
--- a/backend-node/src/config/environment.ts
+++ b/backend-node/src/config/environment.ts
@@ -26,7 +26,7 @@ interface Config {
 
   // CORS 설정
   cors: {
-    origin: string;
+    origin: string | string[] | boolean; // 타입을 확장하여 배열과 boolean도 허용
     credentials: boolean;
   };
 
@@ -58,6 +58,26 @@ interface Config {
   showErrorDetails: boolean;
 }
 
+// CORS origin 처리 함수
+const getCorsOrigin = (): string[] | boolean => {
+  // 개발 환경에서는 모든 origin 허용
+  if (process.env.NODE_ENV === "development") {
+    return true;
+  }
+
+  // 환경변수가 있으면 쉼표로 구분하여 배열로 변환
+  if (process.env.CORS_ORIGIN) {
+    return process.env.CORS_ORIGIN.split(",").map((origin) => origin.trim());
+  }
+
+  // 기본값: 허용할 도메인들
+  return [
+    "http://localhost:9771", // 로컬 개발 환경
+    "http://192.168.0.70:5555", // 내부 네트워크 접근
+    "http://39.117.244.52:5555", // 외부 네트워크 접근
+  ];
+};
+
 const config: Config = {
   // 서버 설정
   port: parseInt(process.env.PORT || "3000", 10),
@@ -82,8 +102,8 @@ const config: Config = {
 
   // CORS 설정
   cors: {
-    origin: process.env.CORS_ORIGIN || "http://localhost:9771,http://192.168.0.70:5555,http://39.117.244.52:5555",
-    credentials: process.env.CORS_CREDENTIALS === "true" || true,
+    origin: getCorsOrigin(),
+    credentials: true, // 쿠키 및 인증 정보 포함 허용
   },
 
   // 로깅 설정

From 2bffec1dbfeac98f62bb3f417724e8d3dd4feac1 Mon Sep 17 00:00:00 2001
From: hyeonsu <hyeonsu@wace.me>
Date: Thu, 4 Sep 2025 16:55:11 +0900
Subject: [PATCH 16/19] =?UTF-8?q?=EB=B9=8C=EB=93=9C=20=EC=8B=9C=20?=
 =?UTF-8?q?=ED=99=98=EA=B2=BD=EB=B3=80=EC=88=98=20=EC=A0=81=EC=9A=A9?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 docker/prod/frontend.Dockerfile | 4 ++++
 frontend/next.config.mjs        | 4 ++--
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/docker/prod/frontend.Dockerfile b/docker/prod/frontend.Dockerfile
index c3703011..17df01e2 100644
--- a/docker/prod/frontend.Dockerfile
+++ b/docker/prod/frontend.Dockerfile
@@ -22,6 +22,10 @@ COPY . .
 # Disable telemetry during the build
 ENV NEXT_TELEMETRY_DISABLED 1
 
+# 빌드 시 환경변수 설정 (ARG로 받아서 ENV로 설정)
+ARG NEXT_PUBLIC_API_URL=http://192.168.0.70:8080/api
+ENV NEXT_PUBLIC_API_URL=$NEXT_PUBLIC_API_URL
+
 # Build the application
 ENV DISABLE_ESLINT_PLUGIN=true
 RUN npm run build
diff --git a/frontend/next.config.mjs b/frontend/next.config.mjs
index 9e986dab..286faf4a 100644
--- a/frontend/next.config.mjs
+++ b/frontend/next.config.mjs
@@ -41,9 +41,9 @@ const nextConfig = {
     ];
   },
 
-  // 환경 변수 (런타임에 읽기) - 로컬 개발환경용
+  // 환경 변수 (런타임에 읽기)
   env: {
-    NEXT_PUBLIC_API_URL: process.env.NEXT_PUBLIC_API_URL || "http://localhost:8080/api",
+    NEXT_PUBLIC_API_URL: process.env.NEXT_PUBLIC_API_URL || "http://192.168.0.70:8080/api",
   },
 };
 

From 40d8fa605b18428adc764a02f9d68cf6fcb1ab85 Mon Sep 17 00:00:00 2001
From: hyeonsu <hyeonsu@wace.me>
Date: Thu, 4 Sep 2025 17:19:30 +0900
Subject: [PATCH 17/19] =?UTF-8?q?=EB=AA=A8=EB=93=A0=20=EA=B3=B3=EC=9D=98?=
 =?UTF-8?q?=20API=20URL=20=ED=86=B5=EC=9D=BC?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 docker/prod/docker-compose.frontend.prod.yml |  4 ++--
 frontend/constants/auth.ts                   | 17 +++++-----------
 frontend/constants/layout.ts                 | 21 ++++++--------------
 frontend/hooks/useAuth.ts                    |  2 +-
 frontend/lib/api/company.ts                  |  2 +-
 frontend/next.config.mjs                     |  2 +-
 6 files changed, 16 insertions(+), 32 deletions(-)

diff --git a/docker/prod/docker-compose.frontend.prod.yml b/docker/prod/docker-compose.frontend.prod.yml
index 7878cde0..de07bec4 100644
--- a/docker/prod/docker-compose.frontend.prod.yml
+++ b/docker/prod/docker-compose.frontend.prod.yml
@@ -5,13 +5,13 @@ services:
       context: ../../frontend
       dockerfile: ../docker/prod/frontend.Dockerfile
       args:
-        - NEXT_PUBLIC_API_URL=http://192.168.0.70:8080/api
+        - NEXT_PUBLIC_API_URL=http://39.117.244.52:8080/api
     container_name: pms-frontend-linux
     ports:
       - "5555:5555"
     environment:
       - NODE_ENV=production
-      - NEXT_PUBLIC_API_URL=http://192.168.0.70:8080/api
+      - NEXT_PUBLIC_API_URL=http://39.117.244.52:8080/api
     networks:
       - pms-network
     restart: unless-stopped
diff --git a/frontend/constants/auth.ts b/frontend/constants/auth.ts
index 3d9b67eb..98951374 100644
--- a/frontend/constants/auth.ts
+++ b/frontend/constants/auth.ts
@@ -3,7 +3,7 @@
  */
 
 export const AUTH_CONFIG = {
-  API_BASE_URL: process.env.NEXT_PUBLIC_API_URL || "http://localhost:8080",
+  API_BASE_URL: process.env.NEXT_PUBLIC_API_URL || "http://39.117.244.52:8080/api",
   ENDPOINTS: {
     LOGIN: "/auth/login",
     STATUS: "/auth/status",
@@ -17,16 +17,9 @@ export const AUTH_CONFIG = {
 
 export const FORM_VALIDATION = {
   MESSAGES: {
-    USER_ID_REQUIRED: "사용자 ID를 입력해주세요.",
-    PASSWORD_REQUIRED: "비밀번호를 입력해주세요.",
-    LOGIN_FAILED: "로그인에 실패했습니다.",
-    CONNECTION_FAILED: "서버 연결에 실패했습니다. 잠시 후 다시 시도해주세요.",
-    BACKEND_CONNECTION_FAILED: "백엔드 서버에 연결할 수 없습니다.",
+    REQUIRED: "필수 입력 항목입니다.",
+    INVALID_FORMAT: "형식이 올바르지 않습니다.",
+    PASSWORD_MISMATCH: "비밀번호가 일치하지 않습니다.",
+    INVALID_CREDENTIALS: "아이디 또는 비밀번호가 올바르지 않습니다.",
   },
 } as const;
-
-export const UI_CONFIG = {
-  COMPANY_NAME: "WACE 솔루션",
-  COPYRIGHT: "© 2025 WACE PLM Solution. All rights reserved.",
-  POWERED_BY: "Powered by Spring Boot + Next.js",
-} as const;
diff --git a/frontend/constants/layout.ts b/frontend/constants/layout.ts
index 8268dbba..e245b1de 100644
--- a/frontend/constants/layout.ts
+++ b/frontend/constants/layout.ts
@@ -4,7 +4,7 @@
 
 export const LAYOUT_CONFIG = {
   COMPANY_NAME: "WACE 솔루션",
-  API_BASE_URL: process.env.NEXT_PUBLIC_API_URL || "http://localhost:8080",
+  API_BASE_URL: process.env.NEXT_PUBLIC_API_URL || "http://39.117.244.52:8080/api",
 
   ENDPOINTS: {
     USER_MENUS: "/admin/user-menus",
@@ -24,18 +24,9 @@ export const LAYOUT_CONFIG = {
 
 export const MESSAGES = {
   LOADING: "로딩 중...",
-  NO_MENUS: "메뉴가 없습니다.",
-  PROFILE_SAVE_SUCCESS: "프로필이 성공적으로 저장되었습니다.",
-  PROFILE_SAVE_ERROR: "프로필 저장 중 오류가 발생했습니다.",
-  FILE_SIZE_ERROR: "파일 크기는 5MB를 초과할 수 없습니다.",
-  FILE_TYPE_ERROR: "이미지 파일만 업로드 가능합니다.",
-} as const;
-
-export const MENU_ICONS = {
-  DEFAULT: "FileText",
-  HOME: ["홈", "메인"],
-  DOCUMENT: ["문서", "게시"],
-  USERS: ["사용자", "회원"],
-  STATISTICS: ["통계", "현황"],
-  SETTINGS: ["설정", "관리"],
+  ERROR: "오류가 발생했습니다.",
+  SUCCESS: "성공적으로 처리되었습니다.",
+  CONFIRM: "정말로 진행하시겠습니까?",
+  NO_DATA: "데이터가 없습니다.",
+  NO_MENUS: "사용 가능한 메뉴가 없습니다.",
 } as const;
diff --git a/frontend/hooks/useAuth.ts b/frontend/hooks/useAuth.ts
index deb05ab3..3078ca29 100644
--- a/frontend/hooks/useAuth.ts
+++ b/frontend/hooks/useAuth.ts
@@ -99,7 +99,7 @@ export const useAuth = () => {
   const [error, setError] = useState<string | null>(null);
 
   // API 기본 URL 설정
-  const API_BASE_URL = process.env.NEXT_PUBLIC_API_URL || "http://localhost:8080";
+  const API_BASE_URL = process.env.NEXT_PUBLIC_API_URL || "http://39.117.244.52:8080/api";
 
   /**
    * 현재 사용자 정보 조회
diff --git a/frontend/lib/api/company.ts b/frontend/lib/api/company.ts
index 0d9e85ca..ea5aa700 100644
--- a/frontend/lib/api/company.ts
+++ b/frontend/lib/api/company.ts
@@ -5,7 +5,7 @@
 import { Company, CompanyFormData } from "@/types/company";
 import { apiClient } from "./client";
 
-const API_BASE_URL = process.env.NEXT_PUBLIC_API_URL || "/api";
+const API_BASE_URL = process.env.NEXT_PUBLIC_API_URL || "http://39.117.244.52:8080/api";
 
 // API 응답 타입 정의
 interface ApiResponse<T = any> {
diff --git a/frontend/next.config.mjs b/frontend/next.config.mjs
index 286faf4a..5323571a 100644
--- a/frontend/next.config.mjs
+++ b/frontend/next.config.mjs
@@ -43,7 +43,7 @@ const nextConfig = {
 
   // 환경 변수 (런타임에 읽기)
   env: {
-    NEXT_PUBLIC_API_URL: process.env.NEXT_PUBLIC_API_URL || "http://192.168.0.70:8080/api",
+    NEXT_PUBLIC_API_URL: process.env.NEXT_PUBLIC_API_URL || "http://39.117.244.52:8080/api",
   },
 };
 

From 5e13f16e734ac5e92e3efc3a540647315ae55be4 Mon Sep 17 00:00:00 2001
From: hyeonsu <hyeonsu@wace.me>
Date: Thu, 4 Sep 2025 17:31:45 +0900
Subject: [PATCH 18/19] =?UTF-8?q?=EB=A1=9C=EA=B7=B8=EC=9D=B8=20=EC=AA=BD?=
 =?UTF-8?q?=20url=20=EC=88=98=EC=A0=95?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 frontend/hooks/useAuth.ts  | 5 ++---
 frontend/hooks/useLogin.ts | 3 ++-
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/frontend/hooks/useAuth.ts b/frontend/hooks/useAuth.ts
index 3078ca29..99376992 100644
--- a/frontend/hooks/useAuth.ts
+++ b/frontend/hooks/useAuth.ts
@@ -1,6 +1,6 @@
 import { useState, useEffect, useCallback } from "react";
 import { useRouter } from "next/navigation";
-import { apiCall } from "@/lib/api/client";
+import { apiCall, API_BASE_URL } from "@/lib/api/client";
 
 // 사용자 정보 타입 정의
 interface UserInfo {
@@ -98,8 +98,7 @@ export const useAuth = () => {
   const [loading, setLoading] = useState(true);
   const [error, setError] = useState<string | null>(null);
 
-  // API 기본 URL 설정
-  const API_BASE_URL = process.env.NEXT_PUBLIC_API_URL || "http://39.117.244.52:8080/api";
+  // API 기본 URL 설정 (동적으로 결정)
 
   /**
    * 현재 사용자 정보 조회
diff --git a/frontend/hooks/useLogin.ts b/frontend/hooks/useLogin.ts
index 733716d6..5abffac9 100644
--- a/frontend/hooks/useLogin.ts
+++ b/frontend/hooks/useLogin.ts
@@ -4,6 +4,7 @@ import { useState, useEffect, useCallback } from "react";
 import { useRouter } from "next/navigation";
 import { LoginFormData, LoginResponse } from "@/types/auth";
 import { AUTH_CONFIG, FORM_VALIDATION } from "@/constants/auth";
+import { API_BASE_URL } from "@/lib/api/client";
 
 /**
  * 로그인 관련 비즈니스 로직을 관리하는 커스텀 훅
@@ -60,7 +61,7 @@ export const useLogin = () => {
    * API 호출 공통 함수
    */
   const apiCall = useCallback(async (endpoint: string, options: RequestInit = {}): Promise<LoginResponse> => {
-    const response = await fetch(`${AUTH_CONFIG.API_BASE_URL}${endpoint}`, {
+    const response = await fetch(`${API_BASE_URL}${endpoint}`, {
       credentials: "include",
       headers: {
         "Content-Type": "application/json",

From b4368148e2cfd3d636a22ef0cc8006e6d1fc9f80 Mon Sep 17 00:00:00 2001
From: hyeonsu <hyeonsu@wace.me>
Date: Thu, 4 Sep 2025 17:37:50 +0900
Subject: [PATCH 19/19] =?UTF-8?q?auth=20=EC=88=98=EC=A0=95?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 frontend/constants/auth.ts | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/frontend/constants/auth.ts b/frontend/constants/auth.ts
index 98951374..c1880a69 100644
--- a/frontend/constants/auth.ts
+++ b/frontend/constants/auth.ts
@@ -15,11 +15,21 @@ export const AUTH_CONFIG = {
   },
 } as const;
 
+export const UI_CONFIG = {
+  COMPANY_NAME: "WACE 솔루션",
+  COPYRIGHT: "© 2024 WACE 솔루션. All rights reserved.",
+  POWERED_BY: "Powered by WACE PLM System",
+} as const;
+
 export const FORM_VALIDATION = {
   MESSAGES: {
     REQUIRED: "필수 입력 항목입니다.",
     INVALID_FORMAT: "형식이 올바르지 않습니다.",
     PASSWORD_MISMATCH: "비밀번호가 일치하지 않습니다.",
     INVALID_CREDENTIALS: "아이디 또는 비밀번호가 올바르지 않습니다.",
+    USER_ID_REQUIRED: "사용자 ID를 입력해주세요.",
+    PASSWORD_REQUIRED: "비밀번호를 입력해주세요.",
+    LOGIN_FAILED: "로그인에 실패했습니다.",
+    CONNECTION_FAILED: "서버 연결에 실패했습니다.",
   },
 } as const;