use longhorn instead of ceph

cluster/apps/homepage/homepage-pvc.yml

@@ -12,3 +12,18 @@ spec:
     requests:
       storage: 100Mi
   storageClassName: csi-rbd-sc
+
+---
+apiVersion: v1
+kind: PersistentVolumeClaim
+metadata:
+  name: homepage-longhorn
+  namespace: default
+spec:
+  accessModes:
+    - ReadWriteOnce
+  volumeMode: Filesystem
+  resources:
+    requests:
+      storage: 100Mi
+  storageClassName: longhorn

cluster/apps/homepage/homepage.yml

@@ -86,7 +86,7 @@ spec:
             name: homepage
         - name: images
           persistentVolumeClaim:
-            claimName: homepage-ceph
+            claimName: homepage-longhorn
         - name: logs
           emptyDir: {}
         - name: tmp