fix(nextcloud): Enable persistence to survive pod restarts

Nextcloud requires a persistent /var/www/html to retain installation
state (config.php, version.php, installed apps) across restarts.
Without it, every restart triggers the setup wizard. Uses local-path
2Gi PVC with Recreate strategy since the volume is RWO.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

prototypes/nextcloud/helm/nextcloud.yaml

@@ -57,9 +57,6 @@ nextcloud:
       opcache.save_comments=1
       opcache.revalidate_freq=60
 
-  hooks:
-    before-starting: touch /var/www/html/config/CAN_INSTALL
-
   extraSidecarContainers:
     - name: caddy
       image: caddy:2-alpine
@@ -124,10 +121,7 @@ nextcloud:
         name: nextcloud-caddy-config
 
   strategy:
-    type: RollingUpdate
-    rollingUpdate:
-      maxSurge: 1
-      maxUnavailable: 0
+    type: Recreate
 
 internalDatabase:
   enabled: false
@@ -165,7 +159,11 @@ cronjob:
   enabled: true
 
 persistence:
-  enabled: false
+  enabled: true
+  size: 2Gi
+  storageClassName: local-path
+  annotations:
+    helm.sh/resource-policy: keep
 
 ingress:
   enabled: true

rendered/envs/production/nextcloud/deployment-nextcloud.yaml

@@ -20,14 +20,11 @@ spec:
       app.kubernetes.io/instance: nextcloud
       app.kubernetes.io/name: nextcloud
   strategy:
-    rollingUpdate:
-      maxSurge: 1
-      maxUnavailable: 0
-    type: RollingUpdate
+    type: Recreate
   template:
     metadata:
       annotations:
-        hooks-hash: 47a89ca9deff73131884ece615e1cabb1f600fec60aa8f20244ae3c5bb58f948
+        hooks-hash: 9525c2748a6c7cd0e28ec740623d0b3fa5a75c83b51ccfd136bc89c76737b204
         nextcloud-config-hash: ec89ea6d9676ed525984771aab8f4536c9f4f62736b2c9898e883f5d0a7f90f8
         php-config-hash: b638f66fd8d65de8364dbad6efc59a6524c7b2e2377b5623cf5e921e4d3d2400
       labels:
@@ -208,10 +205,6 @@ spec:
             - mountPath: /usr/local/etc/php/conf.d/uploadLimit.ini
               name: nextcloud-phpconfig
               subPath: uploadLimit.ini
-            - mountPath: /docker-entrypoint-hooks.d/before-starting/helm.sh
-              name: nextcloud-hooks
-              readOnly: true
-              subPath: before-starting.sh
         - command:
             - /cron.sh
           env:
@@ -412,18 +405,15 @@ spec:
       securityContext:
         fsGroup: 33
       volumes:
-        - emptyDir: {}
-          name: nextcloud-main
+        - name: nextcloud-main
+          persistentVolumeClaim:
+            claimName: nextcloud-nextcloud
         - configMap:
             name: nextcloud-config
           name: nextcloud-config
         - configMap:
             name: nextcloud-phpconfig
           name: nextcloud-phpconfig
-        - configMap:
-            defaultMode: 493
-            name: nextcloud-hooks
-          name: nextcloud-hooks
         - configMap:
             name: nextcloud-caddy-config
           name: caddy-config

rendered/envs/production/nextcloud/persistentvolumeclaim-nextcloud-nextcloud.yaml

@@ -1,15 +1,21 @@
 apiVersion: v1
-data:
-  before-starting.sh: touch /var/www/html/config/CAN_INSTALL
-kind: ConfigMap
+kind: PersistentVolumeClaim
 metadata:
   annotations:
     a8r.io/repository: ssh://git@git.tr1ceracop.de:222/gitea_admin/k8s-and-chill.git
+    helm.sh/resource-policy: keep
   labels:
+    app.kubernetes.io/component: app
     app.kubernetes.io/instance: nextcloud
     app.kubernetes.io/managed-by: Helm
     app.kubernetes.io/name: nextcloud
     app.kubernetes.io/version: 33.0.0
     helm.sh/chart: nextcloud-9.0.4
-  name: nextcloud-hooks
+  name: nextcloud-nextcloud
   namespace: nextcloud
+spec:
+  accessModes:
+    - ReadWriteOnce
+  resources:
+    requests:
+      storage: 2Gi