---
apiVersion: v1
kind: Namespace
metadata:
  name: ingress
...
---
apiVersion: helm.toolkit.fluxcd.io/v2beta1
kind: HelmRelease
metadata:
  name: ingress-nginx
  namespace: ingress
spec:
  interval: 5m
  chart:
    spec:
      chart: ingress-nginx
      version: 4.2.0
      sourceRef:
        kind: HelmRepository
        name: ingress-nginx
        namespace: flux-system
      interval: 1m
  values:
    controller:
      replicaCount: 1
      service:
        ports:
          http: 8080
          https: 8443
...