traefik/traefik/011-persistencevolume.yaml

# ###############################
# # acme.json storage
# # This configuration obejct is optional and can be used to store the traefik acme.json file 
# # in a longhorn persistence volume named 'traefik-data'
# # To enable the persistence storage you need to uncomment the volumeMouns in the 002-deployment.yml file. 
# ###############################
# ---
# kind: PersistentVolume
# apiVersion: v1
# metadata:
#   name: traefik-data
#   namespace: kube-system
# spec:
#   capacity:
#     storage: 1Gi
#   volumeMode: Filesystem
#   accessModes:
#     - ReadWriteOnce
#   claimRef:
#     namespace: kube-system
#     name: traefik-data
#   csi:
#     driver: driver.longhorn.io
#     fsType: ext4
#     volumeHandle: traefik-data
#   storageClassName: longhorn-durable
# ---
# apiVersion: v1
# kind: PersistentVolumeClaim
# metadata:
#   name: traefik-data
#   namespace: kube-system
# spec:
#   accessModes:
#     - ReadWriteOnce
#   storageClassName: longhorn-durable
#   resources:
#     requests:
#       storage: 1Gi
#   volumeName: "traefik-data"