he ability to do ad-hoc debugging using <code>kubectl exec</code> into the proxy container.</p><p>Fortunately, <a href=https://kubernetes.io/docs/concepts/workloads/pods/ephemeral-containers/>Ephemeral Containers</a> can help here.
<code>kubectl debug</code> can attach a temporary container to a pod.
By using an image with extra tools, we can debug as we used to:</p><pre><code class=language-shell data-expandlinks=true data-repo=istio>$ kubectl debug --image istio/base --target istio-proxy -it app-65c6749c9