apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: nextcloud-nextcloud
  namespace: nextcloud
  labels:
    app.kubernetes.io/managed-by: Helm
    app.kubernetes.io/name: nextcloud
    app.kubernetes.io/instance: nextcloud
  annotations:
    meta.helm.sh/release-name: nextcloud
    meta.helm.sh/release-namespace: nextcloud
spec:
  accessModes:
    - ReadWriteOnce
  storageClassName: rook-ceph-block      # Rook-Ceph block storage
  resources:
    requests:
      storage: 50Gi                 # whatever size you want