https://89393b0c.nuvai-blog.pages.dev/tags/incident/ Recent content in Incident on Luis Sousa Blog Hugo en Sat, 07 Mar 2026 10:00:00 +0000 https://89393b0c.nuvai-blog.pages.dev/posts/why-our-site-went-down-for-an-hour/ Sat, 07 Mar 2026 10:00:00 +0000 https://89393b0c.nuvai-blog.pages.dev/posts/why-our-site-went-down-for-an-hour/ <p>We run a travel blog (<a href="https://joyofexploringtheworld.com/" class="external-link" target="_blank" rel="noopener">joyofexploringtheworld.com</a>) that helps people plan itineraries—hosted on a low-cost VPS with Docker Compose and Cloudflare. One small performance tweak took the whole site offline for an hour. Here&rsquo;s what happened and how we fixed it.</p> <h2 id="what-went-wrong"> What Went Wrong <a class="heading-link" href="#what-went-wrong"> <i class="fa-solid fa-link" aria-hidden="true" title="Link to heading"></i> <span class="sr-only">Link to heading</span> </a> </h2> <p>We added a Traefik compression middleware to speed up responses. The new config lived in a <strong>separate YAML file</strong>. Traefik was configured to load only a <strong>single file</strong> (e.g. <code>real-ip.yaml</code>), not the whole directory. The router referenced <code>compress@file</code>, but that file was never loaded. Every request failed.</p>