Medium: Getting started with GKE Gateway controller

gateway.yaml

---
kind: Gateway
apiVersion: gateway.networking.k8s.io/v1alpha2
metadata:
  name: external-http
  namespace: infra-ns
spec:
  gatewayClassName: gke-l7-gxlb
  listeners:
  - name: http
    protocol: HTTP
    port: 80
    allowedRoutes:
      namespaces:
        from: Selector
        selector:
          matchLabels:
            shared-gateway-access: "true"