apiVersion: extensions/v1beta1
kind: Deployment
metadata:
  name: postgres
spec:
  replicas: 1
  template:
    metadata:
      labels:
        app: postgres
    spec:
      containers:
        - name: postgres
          image: postgres:10-alpine
          imagePullPolicy: "IfNotPresent"
          ports:
            - containerPort: 5432
          env:
            - name: POSTGRES_USER
              value: postgres
            - name: POSTGRES_PASSWORD
              value: postgres
            - name: PGDATA
              value: /data/postgres
          volumeMounts:
            - mountPath: /data
              name: postgres-disk
      volumes:
        - name: postgres-disk
          persistentVolumeClaim:
            claimName: postgres-disk-claim

---
apiVersion: v1
kind: Service
metadata:
  name: postgres
  labels:
    app: postgres
spec:
  ports:
   - port: 5432
  selector:
   app: postgres