Incremental Static Regeneration (ISR)

<p>In time based revalidation, an expiry date is added to cache entries. However, when a cache entry expires (becomes stale) it does not update automatically. There are no server

<p>We've covered <code>full route cache</code>, <code>data cache</code> and revalidation. Next, we look into <code>router cache</code> and <code>request memoization</code>.</p>

<p>If a page reads from your database, render it <strong>on demand</strong>, not during the build. Prerendering it means your build container needs a route to Postgres, and on

<p>Next.js API routes vs route handlers is one of those migrations that looks trivial in the docs but bites you on caching semantics and runtime defaults. Both surface HTTP