add traefik service monitor definition

monitoring/traefik-service-monitor.yaml

@@ -0,0 +1,17 @@
+---
+apiVersion: monitoring.coreos.com/v1
+kind: ServiceMonitor
+metadata:
+  name: traefik
+  namespace: monitoring
+spec:
+  endpoints:
+  - interval: 30s
+    path: /metrics
+    port: metrics
+  namespaceSelector:
+    matchNames:
+    - kube-system
+  selector:
+    matchLabels:
+      app: traefik