apiVersion: apps/v1
kind: Deployment
metadata:
  name: contact-app
spec:
  replicas: 1
  selector:
    matchLabels:
      app: contact-app
  template:
    metadata:
      labels:
        app: contact-app
    spec:
      containers:
      - name: contact-app
        image: <YOUR_GCR_IMAGE>
        ports:
        - containerPort: 3000
        env:
        - name: MONGODB_URI
          value: "mongodb://mongo:27017/contactlist"
        resources:
          requests:
            cpu: "100m"
            memory: "128Mi"
          limits:
            cpu: "200m"
            memory: "256Mi"