Express

Express is a minimal and flexible Node.js web application framework that provides a robust set of features to develop web and mobile applications. It
facilitates the rapid development of Node based Web
applications.

Features of Express framework

• Allows to set up middlewares to respond to HTTP Requests.
• Defines a routing table which is used to perform different
• actions based on HTTP Method and URL.
• Allows to dynamically render HTML Pages based on passing arguments to templates

Installing Express
$ npm install express --save

You should install the following important modules along with express −

body-parser
− This is a node.js middleware for handling JSON, Raw, Text and URL encoded form data.

cookie-parser
− Parse Cookie header and populate req.cookies with an object keyed by the cookie names.

multer
− This is a node.js middleware for handling multipart/form-data.

$ npm install body-parser –save
$ npm install cookie-parser –save
$ npm install multer --save