Fast, unopinionated, minimalist web framework for Node.js

$ npm install express --save

const express = require('express')
const app = express()
const port = 3000

app.get('/', (req, res) => {
  res.send('Hello World!')
})

app.listen(port, () => {
  console.log(`Example app listening on port ${port}`)
})

Express@5.1.0: npm에서 기본 버전으로 채택, LTS 일정 함께 도입됨

이제 Express 5.1.0이 npm에서 기본 버전이 되었으며, v4와 v5 릴리스 라인에 대해 공식적인 LTS 일정도 도입했습니다. 자세한 내용은 최신 블로그를 확인해보세요.

Web Applications

Express is a minimal and flexible Node.js web application framework that provides a robust set of features for web and mobile applications.

APIs

With a myriad of HTTP utility methods and middleware at your disposal, creating a robust API is quick and easy.

Performance

Express provides a thin layer of fundamental web application features, without obscuring Node.js features that you know and love.

미들웨어

Express is a lightweight and flexible routing framework with minimal core features meant to be augmented through the use of Express middleware modules.