---
apiVersion: gateway.networking.k8s.io/v1beta1
kind: ReferenceGrant
metadata:
  name: backend-from-bar
  namespace: bar
spec:
  from:
    - group: gateway.networking.k8s.io
      kind: HTTPRoute
      namespace: default
  to:
    - group: ""
      kind: Service

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

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

---
apiVersion: gateway.networking.k8s.io/v1
kind: HTTPRoute
metadata:
  name: http-app-1
  namespace: default
spec:
  parentRefs:
    - name: my-gateway
      kind: Gateway
      group: gateway.networking.k8s.io
  rules:
    - matches:
        - path:
            type: PathPrefix
            value: /
      backendRefs:
        - name: whoami-bar
          port: 80
          weight: 1
          kind: Service
          group: ""