diff --git a/.gitea/workflows/docker-build.yaml b/.gitea/workflows/docker-build.yaml
index 5bb8088..ecab200 100644
--- a/.gitea/workflows/docker-build.yaml
+++ b/.gitea/workflows/docker-build.yaml
@@ -19,7 +19,7 @@ jobs:
       - name: Log in to Gitea Container Registry
         uses: docker/login-action@v3
         with:
-          registry: git.nrh.kr
+          registry: ${{ secrets.DOCKER_REGISTRY || 'gitea.example.com' }}
           username: ${{ gitea.actor }}
           password: ${{ secrets.CI_TOKEN }}
 
@@ -28,4 +28,4 @@ jobs:
         with:
           context: .
           push: true
-          tags: git.nrh.kr/${{ gitea.repository }}:latest
+          tags: ${{ secrets.DOCKER_REGISTRY || 'gitea.example.com' }}/${{ gitea.repository }}:latest