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Slow build times hurt your productivity. They also increase your costs. You can reduce deployment cycles from minutes to seconds. You do this by fixing your Next.js configuration and using build-time caching.
Optimizing deployments means reducing overhead. You want a lightweight production build. Aim for deployments under 60 seconds.
Follow these steps to speed up your builds:
- Enable Output File Tracing Next.js includes only necessary files for production. You must enable this in your next.config.js. This prevents bulky deployments.
Add this to your config: module.exports = { experimental: { outputFileTracing: true, }, };
- Use Vercel Build Caching Caching speeds up your deployments. Vercel caches node_modules and the .next directory. Do not break this cache. Avoid generating extra files inside your build script.
Optimization Checklist:
- Use pnpm for faster dependency resolution.
- Use Edge Runtime for lower latency.
- Move static assets to a CDN to reduce build size.
- Fix "Out of Memory" Errors Large dependency trees or heavy image processing cause these errors.
Fixes:
- Use sharp for image optimization.
- Offload image resizing to an external service.
- Use pnpm or npm prune --production to keep dependencies small.
- Use Edge Middleware Standard functions take time to start. Edge Middleware runs at the CDN level. Move authentication, redirects, and rewrites to middleware.ts. This removes tasks from your main build.
Example middleware.ts: import { NextResponse } from 'next/server'; import type { NextRequest } from 'next/server';
export function middleware(request: NextRequest) { return NextResponse.redirect(new URL('/home', request.url)); }
What slows down your Vercel pipeline? Is it dependency installation or static site generation?
Source: https://dev.to/farukh/optimizing-vercel-deployments-for-faster-nextjs-builds-16hl