feat(metrics): add basic prometheus metrics, cluster scraping

7project/charts/myapp-chart/templates/monitoring.yaml

@@ -3,12 +3,12 @@ kind: ServiceMonitor
 metadata:
   name: fastapi-servicemonitor
   labels:
-    release: prometheus
+    release: kube-prometheus-stack
 spec:
   selector:
     matchLabels:
       app: {{ .Values.app.name }}
   endpoints:
-    - port: "8000"
+    - port: http
       path: /metrics
       interval: 15s

7project/charts/myapp-chart/templates/service.yaml

@@ -4,7 +4,8 @@ metadata:
   name: {{ .Values.app.name }}
 spec:
   ports:
-    - port: {{ .Values.service.port }}
+    - name: http
+      port: {{ .Values.service.port }}
       targetPort: {{ .Values.app.port }}
   selector:
     app: {{ .Values.app.name }}