#IstioIngressListener><code>Sidecar</code> ingress configuration</a> to send to <code>lo</code>, preserving the old behavior.</p><p>For example, to configure request to be sent to <code>localhost</code> for the <code>ratings</code> application:</p><pre><code class=language-yaml data-expandlinks=true data-repo=istio>apiVersion: networking.istio.io/v1beta1
kind: Sidecar
metadata:
  name: ratings
spec:
  workloadSelector:
    labels:
      app: ratings
  ingress:
  - port:
      number: 8080
      protocol: HT