An Ingress is a Kubernetes Object that sits at the edge of the cluster and manages external access to Services inside the cluster.
The Ingress holds a set of rules that takes inbound requests as parameters and routes them to the relevant Service. It can be used for routing, load balancing, terminate SSL, and more.
An Ingress Object requires a Controller to enact it. Unlike other Kubernetes controllers, which are part of the kube-controller-manager binary, the Ingress controller is not. Apart from the GCE/Google Kubernetes Engine, the Ingress controller needs to be deployed separately as a Pod.
The most popular Ingress controller is the NGINX controller (https://github.com/kubernetes/ingress-nginx), which is officially supported by Kubernetes and NGINX. Deploy it by running kubectl apply:
$ kubectl apply -f https://raw.githubusercontent.com/kubernetes/ingress-nginx/master/deploy/mandatory.yaml $ kubectl apply -f https://raw...
