Managing Ingress using the Istio Gateway

When managing Ingress, it is recommended to make use of Istio Gateway over the Kubernetes Ingress resource. Istio Gateway is like a load balancer running at the edge of the mesh receiving incoming HTTP and TCP connections.

When configuring Ingress via Istio Gateway, you need to perform the following tasks.

Creating the gateway

The following code block creates an Istio Gateway resource:

apiVersion: networking.istio.io/v1alpha3
kind: Gateway
metadata:
  name: chapter4-gateway
  namespace: chapter4
spec:
  selector:
    istio: ingressgateway
  servers:
  - port:
      number: 80
      name: http
      protocol: HTTP
    hosts:
    - "sockshop.com"
    - "mockshop.com"

Here, we are declaring a Kubernetes...