Kustomize overlay patch example

kustomize-patch-ingress-host.yaml

---
apiVersion: extensions/v1beta1 # networking.k8s.io/v1beta1
kind: Ingress
metadata:
  name: demo-app-msparr-com
spec:
#  tls:
#  - secretName: tls-demo-app-msparr-com
#    hosts:
#      - demo-app.msparr.com
  rules:
  - host: demo-app-review.msparr.com # overrides Ingress host so deploys to different URL
    http:
      paths:
      - path: /
        backend:
          serviceName: demo-app
          servicePort: 80