Add initial Kubernetes deployment setup with GitHub Actions workflow, Dockerfile, and necessary Kubernetes manifests

.github/workflows/deploy.yml

@@ -0,0 +1,127 @@
+name: Deploy to Kubernetes
+
+on:
+  workflow_dispatch:
+    inputs:
+      environment:
+        description: 'Deployment environment'
+        required: true
+        default: 'production'
+        type: choice
+        options:
+          - production
+          - staging
+      image_tag:
+        description: 'Docker image tag (optional, defaults to commit SHA)'
+        required: false
+        type: string
+
+env:
+  APP_NAME: www-cialloo-com
+  REGISTRY: ${{ secrets.DOCKER_REGISTRY }}
+  IMAGE_NAME: ${{ secrets.DOCKER_REGISTRY }}/${{ secrets.DOCKER_REPOSITORY }}
+
+jobs:
+  build-and-deploy:
+    runs-on: ubuntu-latest
+    environment: ${{ github.event.inputs.environment || 'production' }}
+    
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 'latest'
+          cache: 'npm'
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Run linting
+        run: npm run lint
+
+      - name: Build application
+        run: npm run build
+
+      - name: Set image tag
+        id: image-tag
+        run: |
+          if [ -n "${{ github.event.inputs.image_tag }}" ]; then
+            echo "tag=${{ github.event.inputs.image_tag }}" >> $GITHUB_OUTPUT
+          else
+            echo "tag=${{ github.sha }}" >> $GITHUB_OUTPUT
+          fi
+
+      - name: Log in to Docker Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ secrets.DOCKER_REGISTRY }}
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_PASSWORD }}
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          push: true
+          tags: |
+            ${{ env.IMAGE_NAME }}:${{ steps.image-tag.outputs.tag }}
+            ${{ env.IMAGE_NAME }}:latest
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+
+      - name: Set up kubectl
+        uses: azure/setup-kubectl@v3
+        with:
+          version: 'v1.28.0'
+
+      - name: Configure kubectl
+        run: |
+          mkdir -p $HOME/.kube
+          echo "${{ secrets.KUBECONFIG }}" | base64 -d > $HOME/.kube/config
+          chmod 600 $HOME/.kube/config
+
+      - name: Verify cluster connection
+        run: kubectl cluster-info
+
+      - name: Deploy to Kubernetes
+        run: |
+          # Replace placeholders in k8s manifests
+          sed -i "s|{{IMAGE_TAG}}|${{ steps.image-tag.outputs.tag }}|g" k8s/deployment.yaml
+          sed -i "s|{{IMAGE_NAME}}|${{ env.IMAGE_NAME }}|g" k8s/deployment.yaml
+          sed -i "s|{{ENVIRONMENT}}|${{ github.event.inputs.environment || 'production' }}|g" k8s/deployment.yaml
+          sed -i "s|{{ENVIRONMENT}}|${{ github.event.inputs.environment || 'production' }}|g" k8s/service.yaml
+          sed -i "s|{{ENVIRONMENT}}|${{ github.event.inputs.environment || 'production' }}|g" k8s/namespace.yaml
+          sed -i "s|{{ENVIRONMENT}}|${{ github.event.inputs.environment || 'production' }}|g" k8s/ingress.yaml
+          
+          # Apply manifests
+          kubectl apply -f k8s/namespace.yaml
+          kubectl apply -f k8s/deployment.yaml
+          kubectl apply -f k8s/service.yaml
+          kubectl apply -f k8s/ingress.yaml
+
+      - name: Wait for deployment to be ready
+        run: |
+          kubectl rollout status deployment/${{ env.APP_NAME }} -n ${{ env.APP_NAME }}-${{ github.event.inputs.environment || 'production' }} --timeout=300s
+
+      - name: Get deployment status
+        run: |
+          echo "### Deployment Status" >> $GITHUB_STEP_SUMMARY
+          kubectl get pods -n ${{ env.APP_NAME }}-${{ github.event.inputs.environment || 'production' }} -o wide >> $GITHUB_STEP_SUMMARY
+          echo "" >> $GITHUB_STEP_SUMMARY
+          kubectl get services -n ${{ env.APP_NAME }}-${{ github.event.inputs.environment || 'production' }} >> $GITHUB_STEP_SUMMARY
+
+      - name: Notify deployment success
+        if: success()
+        run: |
+          echo "✅ Deployment successful!"
+          echo "Image: ${{ env.IMAGE_NAME }}:${{ steps.image-tag.outputs.tag }}"
+          echo "Environment: ${{ github.event.inputs.environment || 'production' }}"
+
+      - name: Notify deployment failure
+        if: failure()
+        run: |
+          echo "❌ Deployment failed!"
+          kubectl describe pods -n ${{ env.APP_NAME }}-${{ github.event.inputs.environment || 'production' }} || true