add a tag for a docker image

.github/workflows/docker-image.yml

@@ -14,9 +14,6 @@ jobs:
     steps:
     - uses: actions/checkout@v3
 
-    - name: Build the Docker image
-      run: docker build . --file Dockerfile --tag ghcr.io/g-core/cert-manager-webhook-gcore:latest
-
     - name: Login to registry
       uses: docker/login-action@v2
       with:
@@ -24,5 +21,13 @@ jobs:
         username: ${{ github.actor }}
         password: ${{ secrets.GITHUB_TOKEN }}
 
-    - name: Push the Docker image
-      run: docker push ghcr.io/g-core/cert-manager-webhook-gcore:latest
+    - name: Build and push
+      id: docker_build
+      uses: docker/build-push-action@v4
+      with:
+        push: true
+        context: .
+        file: ./Dockerfile
+        tags: |
+          ghcr.io/${{ github.repository }}:latest
+          ghcr.io/${{ github.repository }}:${{ github.ref }}