Free course

Next.js Course

Learn the Next.js App Router by building routes, Server and Client Components, data loading, forms, Server Actions, Route Handlers, and a production build.

5 modules · 25 lessons · No signup

Prerequisites: React, TypeScript and HTTP

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What you'll learn

Build a production-shaped App Router application with nested and dynamic routes, server data, a validated mutation, useful failure states, and a small HTTP endpoint.

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Course contents

  1. App Router foundations

    Create a current project, read its structure, and place Server and Client Component boundaries.

    1. ✓ What Next.js adds to React
    2. ✓ Create an App Router project
    3. ✓ Read the project structure
    4. ✓ Separate Server and Client Components
    5. ✓ Check your understanding: app router foundations

  2. Routing and navigation

    Build pages, layouts, nested and dynamic routes, and semantic navigation.

    1. ✓ Create pages and layouts
    2. ✓ Nest and organize routes
    3. ✓ Build dynamic routes
    4. ✓ Link and navigate
    5. ✓ Check your understanding: routing and navigation

  3. Data and rendering

    Load server data, stream UI, handle failures, cache deliberately, and add metadata.

    1. ✓ Fetch data on the server
    2. ✓ Stream useful loading UI
    3. ✓ Handle errors and missing data
    4. ✓ Cache, revalidate, and describe a page
    5. ✓ Check your understanding: data and rendering

  4. Actions and forms

    Validate FormData, mutate on the server, revalidate views, and show useful pending states.

    1. ✓ Create a Server Action
    2. ✓ Validate FormData
    3. ✓ Mutate and revalidate
    4. ✓ Show pending and result states
    5. ✓ Check your understanding: actions and forms

  5. Build a production-shaped app

    Add an HTTP endpoint, protect configuration, optimize assets, and verify the production build.

    1. ✓ Add a Route Handler
    2. ✓ Protect environment values
    3. ✓ Use optimized images and fonts
    4. ✓ Build and review Field Notes
    5. ✓ Check your understanding: build a production-shaped app