postgresql/postgresql-export.yaml

apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: postgresql-export
  namespace: system
  labels:
    name: postgresql-export
    k8s-app: postgresql
spec:
  storageClassName: local-path
  accessModes:
    - ReadWriteOnce
  resources:
    requests:
      storage: 200Gi