🐳 Add support for optional success-url

.github/workflows/docker-images-nightly.yml

@@ -22,6 +22,10 @@ on:
         type: boolean
         required: true
         default: false
+      success-url:
+        description: 'URL to call after Docker Image got built successfully.'
+        required: false
+        default: ''
 
 jobs:
   build:
@@ -54,3 +58,7 @@ jobs:
           platforms: linux/amd64
           push: true
           tags: n8nio/n8n:${{ github.event.inputs.tag || 'nightly' }}
+      - name: Call Success URL - optionally
+        run: |
+          [[ "${{github.event.inputs.success-url}}" != "" ]] && curl -I ${{github.event.inputs.success-url}} || echo ""
+        shell: bash