apiVersion: apps/v1 # for versions before 1.9.0 use apps/v1beta2
kind: Deployment
metadata:
  name: nginx-deployment
spec:
  selector:
    matchLabels:
      app: nginx
  replicas: 2 # tells deployment to run 2 pods matching the template
  template:
    metadata:
      labels:
        app: nginx
    spec:
      containers:
        name: nginx
        image: nginx:latest
        imagePullPolicy: Always
        ports:
        - containerPort: 80
        volumeMounts:
        - mountPath: /etc/nginx/conf.d/default.conf
          name: nginx-etc-nginx-conf-default
          subPath: default
      volumes:
      - name: nginx-etc-nginx-conf-default
        persistentVolumeClaim:
          claimName: nginx-etc-nginx-conf-default