update readme

README.md

@@ -32,7 +32,22 @@ A composite action that simplifies building and pushing Docker images using Dock
 ## 🛠️ Example Usage
 
 ```yaml
-- name: Build and push image 🏗️
+steps:
+  - name: Checkout code 🛎️
+    uses: actions/checkout@v4
+
+  - name: Docker meta 🏷️
+    id: meta
+    uses: docker/metadata-action@v5
+    with:
+      images: ${{ vars.REMOTE_REGISTRY_URL }}/${{ vars.REMOTE_REGISTRY_NAMESPACE }}/my-app
+      tags: |
+        type=ref,event=branch
+        type=ref,event=pr
+        type=semver,pattern={{version}}
+        type=sha
+
+  - name: Build and push image 🏗️
     uses: your-org/build-push-action@main
     with:
       image_name: ${{ vars.REMOTE_REGISTRY_URL }}/${{ vars.REMOTE_REGISTRY_NAMESPACE }}/my-app