apiVersion: v1 kind: PersistentVolume metadata: name: hub-db-pv labels: type: local spec: storageClassName: manual accessModes: - ReadWriteOnce capacity: storage: 5Gi claimRef: namespace: jhub name: hub-db-dir hostPath: path: "/srv/jupyterhub" nodeAffinity: required: nodeSelectorTerms: - matchExpressions: - key: kubernetes.io/hostname operator: In values: - persistentVolumeReclaimPolicy: Retain volumeMode: Filesystem