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",
   },
 };