https://github.com/helm/charts/blob/master/stable/nginx-ingress/README.md
helm upgrade --install nginx-ingress stable/nginx-ingress --namespace kube-system --set controller.replicaCount=3 --set controller.service.type=NodePort --set controller.service.nodePorts.http=20080 --set controller.service.nodePorts.https=20443 --set defaultBackend.image.repository=chenliujin/defaultbackend --set controller.stats.enabled=true --set controller.metrics.enabled=true
https://github.com/helm/charts/blob/master/stable/traefik/README.md
helm upgrade --install traefik-ingress --namespace=kube-system stable/traefik --set serviceType=NodePort,service.nodePorts.http=21080,service.nodePorts.https=21443,dashboard.enabled=true,dashboard.domain=traefik.local,rbac.enabled=true