Add monitoring.yaml foe nextcloud

manifests/nextcloud/monitoring.yaml

@@ -0,0 +1,15 @@
+enabled: true
+app: nextcloud
+
+# Prometheus usage:
+targets:
+  - nextcloud.my-apps.svc.cluster.local:9205
+scheme: http
+
+# External HTTP check:
+external_check:
+  url: https://nextcloud.dvirlabs.com
+  expected_codes:
+    "502": critical
+    "404": warning
+    "1033": critical