Let's see if this causes the alert

k8s/monitoring/values-production.yaml

@@ -65,6 +65,16 @@ kube-prometheus-stack:
             values:
               - monitoring  # Its own namespace
               - webrtc-be   # Your app's namespace
+      # Enable discovery of PrometheusRules in these namespaces
+      ruleNamespaceSelector:
+        matchExpressions:
+          - key: kubernetes.io/metadata.name
+            operator: In
+            values:
+              - monitoring
+              - webrtc-be
+      ruleSelector:
+        matchExpressions: [] # Match all rules in selected namespaces
       # Add the manual scrape configuration
       additionalScrapeConfigs:
         - job_name: 'node-exporter'

k8s/monitoring/values-staging.yaml

@@ -65,6 +65,16 @@ kube-prometheus-stack:
             values:
               - monitoring  # Its own namespace
               - webrtc-be   # Your app's namespace
+      # Enable discovery of PrometheusRules in these namespaces
+      ruleNamespaceSelector:
+        matchExpressions:
+          - key: kubernetes.io/metadata.name
+            operator: In
+            values:
+              - monitoring
+              - webrtc-be
+      ruleSelector:
+        matchExpressions: [] # Match all rules in selected namespaces
       # Add the manual scrape configuration
       additionalScrapeConfigs:
         - job_name: 'node-exporter'