build(repo): Adjust helm chart for Prometheus (#302)

* build(repo): Ajust Helm config for prometheus

* build(repo): Bump heml chart version

helm/fuel-streams-publisher/Chart.yaml

@@ -13,7 +13,7 @@ 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: 0.3.5
+version: 0.3.6
 # 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
 # follow Semantic Versioning. They should reflect the version the application is using.

helm/fuel-streams-publisher/templates/service.yaml

@@ -13,5 +13,9 @@ spec:
       targetPort: http
       protocol: TCP
       name: http
+    - port: {{ .Values.service.metrics_port }}
+      targetPort: metrics
+      protocol: TCP
+      name: metrics
   selector:
     {{- include "fuel-streams-publisher.selectorLabels" . | nindent 4 }}

helm/fuel-streams-publisher/templates/statefulset.yaml

@@ -16,6 +16,9 @@ spec:
     metadata:
       {{- with .Values.podAnnotations }}
       annotations:
+        prometheus.io/scrape: "true"
+        prometheus.io/port: "{{ .Values.service.metrics_port }}"
+        prometheus.io/path: "/metrics"
         {{- toYaml . | nindent 8 }}
       {{- end }}
       labels:
@@ -45,6 +48,9 @@ spec:
             - name: http
               containerPort: {{ .Values.service.port }}
               protocol: TCP
+            - name: metrics
+              containerPort: {{ .Values.service.metrics_port }}
+              protocol: TCP
           livenessProbe:
             {{- toYaml .Values.livenessProbe | nindent 12 }}
           readinessProbe:

helm/fuel-streams-publisher/values.yaml

@@ -41,6 +41,7 @@ securityContext:
 service:
   type: ClusterIP
   port: 3000
+  metrics_port: 9000
 
 ingress:
   enabled: false