use nfs pv and pvc

cluster/apps/open-webui/open-webui-pvc.yml

@@ -1,13 +1,34 @@
+---
+apiVersion: v1
+kind: PersistentVolume
+metadata:
+  name: open-webui-pv
+  namespace: default
+spec:
+  capacity:
+    storage: 5Gi
+  volumeMode: Filesystem
+  accessModes:
+    - ReadWriteMany
+  persistentVolumeReclaimPolicy: Retain
+  mountOptions:
+    - hard
+    - nfsvers=4.1
+  nfs:
+    path: /k3s/volumes/open-webui
+    server: 10.0.0.123
+
 ---
 apiVersion: v1
 kind: PersistentVolumeClaim
 metadata:
-  name: longhorn-open-webui
+  name: open-webui-pvc
   namespace: default
 spec:
   accessModes:
     - ReadWriteMany
-  storageClassName: longhorn
+  storageClassName: ""
+  volumeName: open-webui-pv
   resources:
     requests:
       storage: 5Gi

cluster/apps/open-webui/open-webui.yml

@@ -27,4 +27,4 @@ spec:
       volumes:
       - name: config
         persistentVolumeClaim:
-          claimName: longhorn-open-webui
+          claimName: open-webui-pvc