use statefulSets and readinessProbes instead of initContainers

clusters/default/tools/nextcloud/nextcloud.yml

@@ -15,20 +15,18 @@ 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:32.0.3
+        readinessProbe:
+          exec:
+            command:
+            - sh
+            - -c
+            - nc -z nextcloud-db.tools.svc.cluster.local 3306
+          initialDelaySeconds: 5
+          periodSeconds: 5
+          failureThreshold: 3
         ports:
         - containerPort: 443
         env: