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",
   },
 };