postgres-depl.yml

apiVersion: apps/v1
kind: Deployment
metadata:
  name: postgres-deployment
  labels:
    app: postgres-db
spec:
  replicas: 1
  selector:
    matchLabels:
      app: postgres-db
  template:
    metadata:
      labels:
        app: postgres-db
    spec:
      containers:
      - name: postgres-db
        image: postgres:9.4
        ports:
        - containerPort: 5432
        env:
        - name: POSTGRES_HOST_AUTH_METHOD
          value: trust

---
apiVersion: v1
kind: Service
metadata:
  name: db
spec:
  selector:
    app: postgres-db
  ports:
  - protocol: TCP
    port: 5432
    targetPort: 5432