Move workflow to correct location

Author: devgovind89

.github/workflows/docker-build.yml

@@ -0,0 +1,45 @@
+name: Docker Build Workflow
+
+# Allow manual triggering via GitHub CLI or web interface
+on:
+  workflow_dispatch:
+    inputs:
+      tag:
+        description: 'Docker image tag'
+        required: false
+        default: 'latest'
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v4
+      
+    - name: Set up Docker Buildx
+      uses: docker/setup-buildx-action@v3
+      
+    - name: Build Docker image
+      run: |
+        echo "🐳 Building Docker image..."
+        docker build -t demo-app:${{ github.event.inputs.tag || 'latest' }} .
+        echo "✅ Docker image built successfully!"
+        
+    - name: List Docker images
+      run: |
+        echo "📋 Available Docker images:"
+        docker images demo-app
+        
+    - name: Test Docker container
+      run: |
+        echo "🧪 Testing Docker container..."
+        docker run --rm demo-app:${{ github.event.inputs.tag || 'latest' }}
+        echo "✅ Container test completed!"
+        
+    - name: Show build summary
+      run: |
+        echo "📊 Build Summary:"
+        echo "- Image: demo-app:${{ github.event.inputs.tag || 'latest' }}"
+        echo "- Build completed at: $(date)"
+        echo "- Workflow triggered by: ${{ github.actor }}"