https://rhidayat.work/topics/overlay/Recent content in Overlay on Dev & Platform Engineering HubHugo -- gohugo.ioen© 2026 Rachmat HidayatSun, 09 Aug 2026 16:30:00 +0000https://rhidayat.work/series/docker/03-docker-networking-deep-dive/Sun, 09 Aug 2026 16:30:00 +0000https://rhidayat.work/series/docker/03-docker-networking-deep-dive/<div class="lead text-neutral-500 dark:text-neutral-400 !mb-9 text-xl"> How do two containers on the same host talk to each other without exposing ports to the public internet? Docker uses Linux virtual network interfaces (<code>veth</code> pairs) connected to a software <code>bridge</code>. </div>