Add github action

.github/workflows/build-and-deploy.yml

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+name: Build and Deploy to Kubernetes
+
+on:
+  push:
+    branches: [ main ]  # Trigger the action on push to main branch
+
+env:
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
+  K8S_NAMESPACE: default  # Replace with your Kubernetes namespace
+
+jobs:
+  build-and-deploy:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v2
+
+    - name: Log in to the Container registry
+      uses: docker/login-action@v2
+      with:
+        registry: ${{ env.REGISTRY }}
+        username: ${{ github.actor }}
+        password: ${{ secrets.GITHUB_TOKEN }}
+
+    - name: Extract metadata (tags, labels) for Docker
+      id: meta
+      uses: docker/metadata-action@v4
+      with:
+        images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+
+    - name: Build and push Docker image
+      uses: docker/build-push-action@v3
+      with:
+        context: .
+        push: true
+        tags: ${{ steps.meta.outputs.tags }}
+        labels: ${{ steps.meta.outputs.labels }}
+
+    - name: Set up kubectl
+      uses: wahyd4/kubectl-helm-action@master
+      env:
+        KUBE_CONFIG_DATA: ${{ secrets.KUBE_CONFIG_DATA }}
+
+    - name: Deploy to Kubernetes
+      run: |
+        # Update the deployment.yaml with the new image tag
+        sed -i 's|image: .*|image: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ github.sha }}|' k8s/deployment.yaml
+
+        # Apply Kubernetes manifests
+        kubectl apply -f k8s/deployment.yaml
+        kubectl apply -f k8s/service.yaml
+      env:
+        KUBE_CONFIG_DATA: ${{ secrets.KUBE_CONFIG_DATA }}

k8s/deployment.yaml

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+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: url-manager
+  namespace: default
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: url-manager
+  template:
+    metadata:
+      labels:
+        app: url-manager
+    spec:
+      containers:
+      - name: url-manager
+        image: ghcr.io/yourgithubusername/url-manager:latest
+        ports:
+        - containerPort: 8000

k8s/service.yaml

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+apiVersion: v1
+kind: Service
+metadata:
+  name: url-manager
+  namespace: default
+spec:
+  selector:
+    app: url-manager
+  ports:
+    - protocol: TCP
+      port: 80
+      targetPort: 8000
+  type: ClusterIP