https://blog.lankanlion.com/tags/cdn/Recent content in cdn on Lankan Lion | Tech BlogHugo -- gohugo.ioen-usSat, 24 Jan 2026 00:00:00 +0000https://blog.lankanlion.com/post/path-to-subdomain-migration/Sat, 24 Jan 2026 00:00:00 +0000https://blog.lankanlion.com/post/path-to-subdomain-migration/<p>Migrating a web app from a path-based URL (<code>example.com/app</code>) to a dedicated subdomain (<code>app.example.com</code>) sounds simple—until you touch authentication, routing, and API boundaries. The good news: with a deliberate plan and a phased rollout, it can be low-risk—even boring.</p> <p>This post outlines a practical approach that worked for us, distilled into phases, traps to avoid, and a reusable checklist.</p> <p>This approach is especially useful for <strong>SaaS products, dashboards, and SPAs</strong> that rely on hosted authentication providers and API-driven backends.</p>