traefik/pkg/provider/kubernetes/gateway/fixtures/httproute/simple_cross_provider.yml

---
kind: GatewayClass
apiVersion: gateway.networking.k8s.io/v1
metadata:
  name: my-gateway-class
spec:
  controllerName: traefik.io/gateway-controller

---
kind: Gateway
apiVersion: gateway.networking.k8s.io/v1
metadata:
  name: my-gateway
  namespace: default
spec:
  gatewayClassName: my-gateway-class
  listeners: # Use GatewayClass defaults for listener definition.
    - name: http
      protocol: HTTP
      port: 80
      allowedRoutes:
        namespaces:
          from: Same

---
kind: HTTPRoute
apiVersion: gateway.networking.k8s.io/v1
metadata:
  name: http-app-1
  namespace: default
spec:
  parentRefs:
    - name: my-gateway
      kind: Gateway
      group: gateway.networking.k8s.io
  hostnames:
    - "foo.com"
  rules:
    - matches:
        - path:
            type: Exact
            value: /bar
      backendRefs:
        - weight: 1
          group: traefik.io
          kind: TraefikService
          name: service@file
          port: 80

        - name: whoami
          port: 80
          weight: 1
          group: ""
          kind: Service