---
apiVersion: v1
kind: Namespace
metadata:
  name: ingress
...
---
apiVersion: argoproj.io/v1alpha1
kind: Application
metadata:
  name: nginx-ingress
  namespace: argocd
spec:
  project: default
  source:
    repoURL: https://helm.nginx.com/stable
    chart: nginx-ingress
    targetRevision: 0.14.0
  helm:
    values: |
      controller:
        containerPort:
          http: 8080
          https: 8443
  destination:
    server: https://kubernetes.default.svc
    namespace: ingress
  syncPolicy:
    automated: {}
...