feat: Adding service monitor to helm chart (#541)

helm/fuel-explorer/Chart.yaml

@@ -15,7 +15,7 @@ type: application
 # This is the chart version. This version number should be incremented each time you make changes
 # to the chart and its templates, including the app version.
 # Versions are expected to follow Semantic Versioning (https://semver.org/)
-version: 0.1.11
+version: 0.1.12
 
 # This is the version number of the application being deployed. This version number should be
 # incremented each time you make changes to the application. Versions are not expected to

helm/fuel-explorer/templates/servicemonitor.yaml

@@ -0,0 +1,15 @@
+{{- if .Values.app.serviceMonitor.enabled }}
+apiVersion: monitoring.coreos.com/v1
+kind: ServiceMonitor
+metadata:
+  name: {{ include "fuel-explorer.fullname" . }}
+  labels:
+    release: {{ .Values.app.serviceMonitor.prometheusRelease }}
+spec:
+  selector:
+    matchLabels:
+      {{- include "fuel-explorer.labels" . | nindent 4 }}
+  endpoints:
+    - path: /metrics
+      port: http
+{{- end }}

helm/fuel-explorer/values.yaml

@@ -83,3 +83,8 @@ nodeSelector: {}
 tolerations: []
 
 affinity: {}
+
+app:
+  serviceMonitor:
+    enabled: true
+    prometheusRelease: kube-prometheus