[fix] #205 - dockerfile 찾지 못하는 이슈 해결

.github/workflows/cicd.yml

@@ -33,8 +33,9 @@ jobs:
     needs: build  # build 작업이 완료되어야 실행
     permissions:
       contents: read
-
+    
     steps:
+      - uses: actions/checkout@v4  # 레포지토리 체크아웃 추가
       # 4. Docker Buildx 설정
       - name: Set up Docker Build
         uses: docker/setup-buildx-action@v1