Learn NEXT-JS with Real Code Examples

App Router-based architecture

Client + Server component model

Hybrid rendering strategy

File-based routing system

Middleware + Edge execution

Server Components by default

Hybrid SSR/SSG/ISR/CSR

Streaming server rendering

Edge rendering via middleware

Automatic static optimization

Server-first UI architecture

API routes for backend logic

Middleware for auth/rewrites

Layouts composition pattern

Component-based routing

Enterprise SaaS platforms

Ecommerce storefronts

Internal dashboards

AI inference apps

Multi-tenant multi-region systems

Performance-first

Server-first architecture

Minimal client JavaScript

Convention over configuration

End-to-end developer experience

Separate logic into server modules

Use caching for heavy data fetching

Split UI into server/client boundaries

Optimize bundling with Turbopack

Leverage Vercel’s global edge network

Move from Pages Router -> App Router

Refactor components into server/client

Replace getServerSideProps with server components

Move _app/_document to layout.js

Use `route.js` for APIs instead of API folder