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Alex Spinov
Alex Spinov

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Turborepo Has a Free Monorepo Build System — Never Rebuild What Hasn't Changed

Turborepo is a high-performance monorepo build system — caches build outputs so you never rebuild unchanged packages.

What You Get for Free

  • Smart caching — skip builds for unchanged packages
  • Parallel execution — run tasks across packages in parallel
  • Remote caching — share build cache across team and CI
  • Task pipelines — define dependencies between tasks
  • Pruned subsets — deploy only what changed
  • Watch mode — incremental rebuilds in development
  • Zero config — add turbo.json, ready to go
  • Framework agnostic — works with any JavaScript/TypeScript project

Quick Start

npx create-turbo@latest
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// turbo.json
{
  "tasks": {
    "build": { "dependsOn": ["^build"], "outputs": ["dist/**"] },
    "test": { "dependsOn": ["build"] },
    "lint": {}
  }
}
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turbo build  # builds all packages, caches results
turbo build  # instant — nothing changed, 100% cache hit
# Change one package → only THAT package rebuilds
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Why Developers Switch from Lerna/Nx

Lerna is unmaintained (sort of), Nx is complex:

  • Simple — one turbo.json file, done
  • Fast — Rust-based, incremental by default
  • Remote cache — Vercel offers free remote caching
  • No lock-in — works with npm, yarn, pnpm workspaces

A monorepo with 12 packages took 8 minutes to build in CI. After Turborepo with remote cache: 45 seconds average (only rebuilds changed packages). CI costs dropped 80%.

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