Update docker-image.yml

Author: coding-hui

.github/workflows/docker-image.yml

@@ -16,8 +16,6 @@ on:
   workflow_dispatch:
 
 env:
-  # Use docker.io for Docker Hub if empty
-  REGISTRY: ${{ vars.REGISTRY }}
   IMAGE_NAME: iam-frontend
 
 jobs:
@@ -37,7 +35,7 @@ jobs:
       uses: docker/login-action@v2.2.0
       with:
         # Server address of Docker registry. If not set then will default to Docker Hub
-        registry: ${{ env.REGISTRY }}
+        registry: ${{ vars.REGISTRY }}
         # Username used to log against the Docker registry
         username: ${{ secrets.DOCKER_USER }}
         # Password or personal access token used to log against the Docker registry