Fix monitoring app config

apps/monitoring/prometheus-stack.yaml

@@ -5,12 +5,10 @@ metadata:
   namespace: argocd
 spec:
   project: default
-
   source:
     repoURL: https://prometheus-community.github.io/helm-charts
     chart: kube-prometheus-stack
     targetRevision: 77.*
-
     helm:
       values: |
         grafana:
@@ -21,20 +19,24 @@ spec:
               - grafana.home.lan
 
         prometheus:
+          prometheusSpec:
+            externalUrl: http://prometheus.home.lan
+            routePrefix: /
           ingress:
             enabled: true
             ingressClassName: nginx
             hosts:
               - prometheus.home.lan
+            paths:
+              - /
+            pathType: Prefix
 
   destination:
     server: https://kubernetes.default.svc
     namespace: monitoring
-
   syncPolicy:
     automated:
       prune: true
       selfHeal: true
-
     syncOptions:
       - CreateNamespace=true