---
kind: Gateway
apiVersion: networking.x-k8s.io/v1alpha1
metadata:
  name: my-gateway
  namespace: default
spec:
  gatewayClassName: my-gateway-class
  listeners:  # Use GatewayClass defaults for listener definition.
    - protocol: TCP
      port: 8080
      routes:
        kind: TCPRoute
        namespaces:
          from: Same
        selector:
          matchLabels:
            app: foo

---
kind: TCPRoute
apiVersion: networking.x-k8s.io/v1alpha1
metadata:
  name: TCP-app-1
  namespace: default
  labels:
    app: foo
spec:
  rules:
    - forwardTo:
        - serviceName: whoami
          port: 80
          weight: 1