add db for nextcloud

cluster/apps/nextcloud/nextcloud.yml

@@ -13,6 +13,17 @@ spec:
       labels:
         app: nextcloud
     spec:
+      initContainers:
+      - name: wait-for-db
+        image: busybox
+        command:
+          - sh
+          - -c
+          - |
+            until nc -z -v -w30 nextcloud-db-service 3306; do
+              echo "Waiting for database to be ready..."
+              sleep 2
+            done
       containers:
       - name: nextcloud
         image: lscr.io/linuxserver/nextcloud:31.0.4