appendix A. Customizing the Istio installation

It may surprise you that we dive into the customization of the Istio installation without initially covering the installation. But installing Istio is easy peasy: you apply the Istio resources to a Kubernetes cluster, and that’s it.

There are many ways to apply Istio resources to the cluster:

  • helm—The Kubernetes package manager command-line interface can be used to generate and apply the Istio resources to the cluster. All the customization possibilities of the Istio installation are powered by Helm templating.

  • istioctl—Exposes a simpler and safer API to install and customizes Istio using the IstioOperator custom resource definition (CRD). Under the hood, it uses Helm to generate the Istio resources. ...

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