apiVersion: apps/v1
kind: Deployment
metadata: 
  name: webserver
  labels: 
    app: nginx
spec: 
  replicas: 3
  selector: 
    matchLabels: 
      app: nginx
  template: 
    metadata: 
      labels:
        app: nginx
    spec: 
      containers: 
      - name: nginx
        image: nginx:alpine
        ports:
        - containerPort: 80