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Nitro

Nuxt's server engine powering serverless, hybrid and standalone server builds.

Field note

What it does

Nitro is the server engine that powers Nuxt, with cross-platform and serverless support, API routes, hybrid mode and a standalone server output.

Capabilities

Available capabilities

Serverless deployment API Routes Hot Module Reloading Hybrid Rendering Serverless Deployment Manual Code Splitting Cross-Platform Support Standalone server output Hybrid static + serverless Hot Module Reloading

API Layer

Server API endpoints and middleware added by Nitro using h3.

Client-Side Rendering

Cross-platform Support

Runs on Node.js, browsers, service workers and more.

Deploying a Static Client-Rendered App

Direct API Calls

Routes can be called directly via the $fetch helper, skipping an extra API call on the server.

Edge-Side Rendering

Hybrid Rendering

Rendering Modes

Route Rules

Server Bundle Size with ssr: false

Server-rendering the Error Page

Skipping Client Fallback Generation

Standalone Server

Produces a standalone server dist independent of node modules in a .output directory.

Native Storage Layer

Implements a native storage layer supporting multi-source drivers and local assets.

Typed API Routes

Nitro generates typings for API routes and middleware when a value is returned.