Bump prometheus rules check for a healthy pod to 15m instead of 5m

admin/README.md

@@ -385,6 +385,13 @@ deploy it by running:
 kubectl create -n monitoring -f example_rule.yaml
 ```
 
+If you've installed these rules in the past and would like to update them, use
+the ``replace`` command instead:
+
+```bash
+kubectl replace -n monitoring -f example_rule.yaml
+```
+
 To investigate if our rules are showing up in Prometheus we can forward the
 service to the cluster node and then forward that to our local machine
 with SSH. Note you'll need to use the name of your service in your

admin/kubekorner_geosphere_prometheus_rules.yaml

@@ -436,7 +436,7 @@ spec:
 
     - alert: KubernetesPodNotHealthy
       expr: min_over_time(sum by (namespace, pod) (kube_pod_status_phase{phase=~"Pending|Unknown|Failed"})[1h:]) > 0
-      for: 5m
+      for: 15m
       labels:
         severity: critical
         ruleGroup: geosphere-kubernetes