diff --git a/services/docker-compose.yml b/services/docker-compose.yml
index f7b7c76..07191e5 100644
--- a/services/docker-compose.yml
+++ b/services/docker-compose.yml
@@ -14,7 +14,7 @@ services:
       - REDIS_URL=${REDIS_URL:-redis://192.168.45.54:6379}
       - NAS_BASE_URL=${NAS_BASE_URL:-http://192.168.45.54:18700}
       - INTERNAL_API_KEY=${INTERNAL_API_KEY:-}
-      - INSTA_MEDIA_ROOT=${INSTA_MEDIA_ROOT:-/mnt/nas/webpage/data/insta}
+      - INSTA_MEDIA_ROOT=${INSTA_MEDIA_ROOT:-/mnt/nas/webpage/data/insta/insta_cards}
       - INSTA_MEDIA_URL_PREFIX=${INSTA_MEDIA_URL_PREFIX:-/media/insta}
       - CARD_TEMPLATE_DIR=/app/templates
     volumes:
diff --git a/services/insta-render/.env.example b/services/insta-render/.env.example
index 1fe981f..c162dd5 100644
--- a/services/insta-render/.env.example
+++ b/services/insta-render/.env.example
@@ -7,8 +7,9 @@ REDIS_URL=redis://192.168.45.54:6379
 NAS_BASE_URL=http://192.168.45.54:18700
 INTERNAL_API_KEY=__copy_from_nas_dotenv__
 
-# NAS SMB mount 안의 미디어 디렉토리 (/mnt/nas/webpage/data/insta/)
-INSTA_MEDIA_ROOT=/mnt/nas/webpage/data/insta
+# NAS SMB mount 안의 미디어 디렉토리.
+# ⚠️ nginx가 /media/insta를 data/insta/insta_cards/로 서빙하므로 반드시 insta_cards까지 포함.
+INSTA_MEDIA_ROOT=/mnt/nas/webpage/data/insta/insta_cards
 
 # nginx 서빙 prefix (NAS webhook payload에 보낼 result_path 만들 때)
 INSTA_MEDIA_URL_PREFIX=/media/insta