diff --git a/README.md b/README.md
index bbb2969..fd98a85 100644
--- a/README.md
+++ b/README.md
@@ -18,6 +18,7 @@ nginx-deploy/
 2. **GitHub Actions** 자동 실행
 3. **파일 전송** (Ubuntu 서버 ~/robeing-nginx)
 4. **nginx 설정 적용** (서버 nginx 자동 reload)
+5. **Docker 컨테이너 정리** (기존 컨테이너 중지)
 
 ## 서버 설정
 
diff --git a/docker-compose.yml b/docker-compose.yml
index b8de61f..febcb3a 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -1,5 +1,3 @@
-version: "3.8"
-
 services:
   nginx:
     image: nginx:alpine