2022-08-14：k8s安装PostgreSQL，yaml如何写？

apiVersion: apps/v1
kind: Deployment
metadata:
  labels:
    app: postgres
  name: postgres
  namespace: moonfdd
spec:
  replicas: 1
  selector:
    matchLabels:
      app: postgres
  template:
    metadata:
      labels:
        app: postgres
    spec:
      containers:
        - env:
            - name: POSTGRES_PASSWORD
              value: "moonfdd"
          image: "postgres"
          imagePullPolicy: IfNotPresent
          name: postgres
          volumeMounts:
            - mountPath: /var/lib/postgresql/data
              name: volv
      volumes:
        - hostPath:
            path: /root/k8s/moonfdd/postgres/var/lib/postgresql/data
            type: DirectoryOrCreate
          name: volv
---
apiVersion: v1
kind: Service
metadata:
  labels:
    app: postgres
  name: postgres
  namespace: moonfdd
spec:
  ports:
    - port: 5432
      protocol: TCP
      targetPort: 5432
  selector:
    app: postgres
  type: NodePort