---
apiVersion: v1
kind: Namespace
metadata:
  name: cert-manager
...
---
apiVersion: argoproj.io/v1alpha1
kind: Application
metadata:
  name: cert-manager
  namespace: argocd
  finalizers:
  - resources-finalizer.argocd.argoproj.io
spec:
  project: default
  source:
    repoURL: https://charts.jetstack.io
    chart: cert-manager
    targetRevision: v1.9.1
  destination:
    server: https://kubernetes.default.svc
    namespace: cert-manager
  syncPolicy:
    automated: {}
...