db.yaml

apiVersion: apps/v1
kind: StatefulSet
metadata:
  name: nk-postgres
  labels:
    app: nk-postgres
spec:
  replicas: 1
  selector:
    matchLabels:
      app: nk-postgres
  template:
    metadata:
      labels:
        app: nk-postgres
    spec:
      volumes:
        - name: postgres-data
          persistentVolumeClaim:
            claimName: postgres-vc
      containers:
      - name: nk-postgres
        image: postgres:13
        env:
        - name: POSTGRES_PASSWORD
          value: postgres
        - name: POSTGRES_DB
          value: nk
        volumeMounts:
        - mountPath: "/var/lib/postgresql/data"
          name: postgres-data
        ports:
        - containerPort: 5432
---
apiVersion: v1
kind: Service
metadata:
  name: nk-postgres
spec:
  type: ClusterIP
  selector:
    app: nk-postgres
  ports:
    - port: 5432
      targetPort: 5432