diff --git a/docker-compose.yml b/docker-compose.yml
index 69d5f21..e141bb5 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -68,6 +68,8 @@ services:
     image: nginx:alpine
     container_name: lotto-frontend
     restart: unless-stopped
+    depends_on:
+      - music-lab
     ports:
       - "8080:80"
     volumes:
diff --git a/nginx/default.conf b/nginx/default.conf
index 8631f11..594a698 100644
--- a/nginx/default.conf
+++ b/nginx/default.conf
@@ -28,15 +28,18 @@ server {
     autoindex off;
   }
 
-  # music API
+  # music API — 변수 기반 proxy_pass로 시작 시 DNS 조회 실패 방지
   location /api/music/ {
+    resolver 127.0.0.11 valid=10s;
+    set $music_backend music-lab:8000;
+
     proxy_http_version 1.1;
     proxy_set_header Host $host;
     proxy_set_header X-Real-IP $remote_addr;
     proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
     proxy_set_header X-Forwarded-Proto $scheme;
-    proxy_read_timeout 660s;  # 생성 요청 폴링 대비 (기본 60s 초과 방지)
-    proxy_pass http://music-lab:8000/api/music/;
+    proxy_read_timeout 660s;
+    proxy_pass http://$music_backend/api/music/;
   }
 
   # travel thumbnails (generated by travel-proxy, stored in /data/thumbs)