s you can see, Wikipedia requests were sent through the gateway while the request to IBM Cloud went straight out from the application pod to the internet, as indicated by the <code>PassthroughCluster</code> log.</p><h2 id=conclusion>Conclusion</h2><p>We implemented controlled routing for egress HTTPS/TLS traffic using egress gateways, supporting arbitrary and wildcard domain names. In a production environment, the example shown in this post
would be extended to support HA requirements (e.g., adding zone awa