feat: Prometheus | set up prom operator

helm/helmfile.yaml

@@ -15,6 +15,8 @@ repositories:
     url: https://dl.gitea.com/charts
   - name: jetstack
     url: https://charts.jetstack.io
+  - name: prometheus-community
+    url: https://prometheus-community.github.io/helm-charts
 ---
 releases:
   # Distributed Storage
@@ -80,3 +82,11 @@ releases:
     version: 1.15.3
     values:
       - ./values/cert-manager.values.yaml
+
+  # Prometheus Operator
+  - name: prometheus-operator
+    namespace: prometheus-system
+    chart: prometheus-community/kube-prometheus-stack
+    version: 62.3.0
+    values:
+      - ./values/prometheus.values.yaml

helm/values/prometheus.values.yaml

@@ -0,0 +1,13 @@
+grafana:
+  enabled: true
+  ingress:
+    enabled: true
+    ingressClassName: nginx-internal
+    annotations:
+      cert-manager.io/cluster-issuer: selfsigned-issuer
+    hosts:
+      - grafana.home
+    tls:
+      - secretName: grafana-tls
+        hosts:
+          - grafana.home