Postgres Deployment

apiVersion: apps/v1
kind: Deployment
metadata:
  name: postgres
  namespace: tomsther
spec:
  replicas: 1
  selector:
    matchLabels:
      app: postgres-label
  template:
    metadata:
      labels:
        app: postgres-label
    spec:
      containers:
        - name: postgres
          image: postgres:10
          ports:
            - containerPort: 5432
          resources:
            requests:
              cpu: 100m
              memory: 128Mi
          env:
            - name: POSTGRES_USER
              value: mitrakov
            - name: POSTGRES_PASSWORD
              value: "12345"
          volumeMounts:
            - mountPath: /var/lib/postgresql/data
              name: postgredb
      volumes:
        - name: postgredb
          persistentVolumeClaim:
            claimName: postgres-pv-claim