Configure Ceph dashboard Prometheus endpoint

deploy/examples/cluster.yaml

@@ -75,7 +75,7 @@ spec:
     # serve the dashboard using SSL
     ssl: false
     # The url of the Prometheus instance
-    # prometheusEndpoint: <protocol>://<prometheus-host>:<port>
+    prometheusEndpoint: http://prometheus-kube-prometheus-prometheus.prometheus.svc:9090
     # Whether SSL should be verified if the Prometheus server is using https
     # prometheusEndpointSSLVerify: false
   # enable prometheus alerting for cluster