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"