🚀 Master ISR in Next.js App Directory (15.3) — Incremental Static Regeneration Explained!
🚀 Master ISR in Next.js App Directory (15.3) — Incremental Static Regeneration Explained!
Hey devs! 👋 In today’s video, we’re diving deep into ISR (Incremental Static Regeneration) in the App Directory of Next.js 15.3.
You’ve seen how SSG and SSR work — now it’s time to unlock the best of both worlds!
🔍 What you’ll learn:
• ✅ How ISR compares to SSG & SSR
• ⚡ How to implement ISR using revalidate
• 🛠 Transforming your old getStaticProps into App Directory logic
• 🔄 Revalidating data every 60 seconds (without client fetch!)
• 🔁 Using revalidatePath after an API mutation
• ⚠ Common mistakes & gotchas (like broken images or missed imports)
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⏱ Chapters:
00:00 Intro
00:17 What is ISR?
01:02 Code Code Code
04:30 Alternative way to do ISR
05:23 revalidatePath Function
07:47 Outro
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