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Sinatra inspired web development framework for node.js -- insanely fast, flexible, and simple
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Readme.md

express logo

Fast, unopinionated, minimalist web framework for node.

NPM version Build Status Coverage Status Gittip

var express = require('express');
var app = express();

app.get('/', function(req, res){
  res.send('Hello World');
});

app.listen(3000);

PROTIP Be sure to read Migrating from 3.x to 4.x as well as New features in 4.x.

Installation

$ npm install express

Quick Start

The quickest way to get started with express is to utilize the executable express(1) to generate an application as shown below:

Install the executable. The executable's major version will match Express's:

$ npm install -g express-generator@3

Create the app:

$ express /tmp/foo && cd /tmp/foo

Install dependencies:

$ npm install

Start the server:

$ npm start

Features

  • Robust routing
  • HTTP helpers (redirection, caching, etc)
  • View system supporting 14+ template engines
  • Content negotiation
  • Focus on high performance
  • Executable for generating applications quickly
  • High test coverage

Philosophy

The Express philosophy is to provide small, robust tooling for HTTP servers, making it a great solution for single page applications, web sites, hybrids, or public HTTP APIs.

Express does not force you to use any specific ORM or template engine. With support for over 14 template engines via Consolidate.js, you can quickly craft your perfect framework.

More Information

Viewing Examples

Clone the Express repo, then install the dev dependencies to install all the example / test suite dependencies:

$ git clone git://github.com/visionmedia/express.git --depth 1
$ cd express
$ npm install

Then run whichever tests you want:

$ node examples/content-negotiation

You can also view live examples here:

Running Tests

To run the test suite, first invoke the following command within the repo, installing the development dependencies:

$ npm install

Then run the tests:

$ npm test

Contributors

Author: TJ Holowaychuk
Lead Maintainer: Roman Shtylman
Contributors: https://github.com/visionmedia/express/graphs/contributors

License

MIT

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