--- --- {{< tip >}} {{< boilerplate gateway-api-future >}} {{< boilerplate gateway-api-choose >}} {{< /tip >}} {{< warning >}} This document configures Istio using Gateway API features that are [experimental](https://gateway-api.sigs.k8s.io/geps/overview/#status) Before using the Gateway API instructions, make sure to: 1) Install the **experimental version** of the Gateway API CRDs: {{< text syntax=bash snip_id=install_experimental_crds >}} $ kubectl kustomize "github.com/kubernetes-sigs/gateway-api/config/crd/experimental?ref={{< k8s_gateway_api_version >}}" | kubectl apply -f - {{< /text >}} 2) Configure Istio to read the alpha Gateway API resources by setting the `PILOT_ENABLE_ALPHA_GATEWAY_API` environment variable to `true` when installing Istio: {{< text syntax=bash snip_id=enable_alpha_crds >}} $ istioctl install --set values.pilot.env.PILOT_ENABLE_ALPHA_GATEWAY_API=true --set profile=minimal -y {{< /text >}} {{< /warning >}}