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How do you handle redirects and rewrites in Next.js?

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01

Understand the problem

Config-based, middleware, and in-render redirects.

nextjsredirectsrewritesmiddleware
02

Attempt it yourself

Sketch your approach before reading the solution — that's what interviews test.

Nudge consolestandby

Stuck? Beam a request up — the console returns a conceptual nudge that guides your logic without spoiling the implementation.

03

Study the solution

Define static redirects()/rewrites() in next.config.js (redirect changes the URL; rewrite proxies internally while keeping the URL). For dynamic/conditional cases use middleware (NextResponse.redirect/rewrite) or call redirect() inside Server Components/Actions.

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04

Read the code

Config rules + conditional middleware
// next.config.js — static
async redirects() { return [{ source: '/blog/:slug', destination: '/posts/:slug', permanent: true }]; }
async rewrites() { return [{ source: '/api/:p*', destination: 'https://backend/:p*' }]; }  // proxy

// middleware.ts — conditional
import { NextResponse } from 'next/server';
export function middleware(req) {
  if (req.geo?.country === 'FR') return NextResponse.rewrite(new URL('/fr', req.url));
}
05

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