 this Custom Resource to configure Istio&rsquo;s service proxy to use a Wasm extension when Istio already has the <code>EnvoyFilter</code> resource.</p><p>Let&rsquo;s take a look at exactly how all of this works under the covers.</p><h2 id=how-it-works>How it works</h2><p>Under the covers the operator is doing a few things that aid in deploying and configuring a Wasm extension into the Istio service proxy (Envoy Proxy).</p><ul><li>Set up local cache of Wasm extensions</li><li>Pull desired Wasm extension int