Module 8: Next.js App Router

MODULE 08 · 3 LESSONS

Use file-system routing, server and client components, metadata and robust data boundaries.

Project checkpoint: Move CourseFlow to a route-based full-stack shell.

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Module 8 learning loopA four-step visual showing app directory, layouts, dynamic routes, loading and error UI.Module 8 learning loop1App Directory2Layouts3Dynamic Routes4Loading And ErrorUI

Module 8 learning loop

  1. 1App Directory
  2. 2Layouts
  3. 3Dynamic Routes
  4. 4Loading And Error UI
Module 8 learning loop: a practical sequence used in this lesson.

What this module changes in your work

  • Model URLs with nested layouts, dynamic segments and accessible navigation.
  • Ship discoverable pages with canonical metadata, optimized assets and measured performance.
  • Use app directory, layouts, dynamic routes in one coherent implementation.
  • Complete this evidence-backed checkpoint: Move CourseFlow to a route-based full-stack shell.

Lessons

PROJECT CHECKPOINT

Turn next.js app router into evidence

Move CourseFlow to a route-based full-stack shell.

  • Write acceptance criteria for app directory before implementation.
  • Keep the change small enough that a reviewer can connect it to the intended behavior.
  • Use the most direct check available for layouts and save the result.
  • Record one decision you would keep and one you would revisit after feedback.

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