expressjs.com/en/resources/middleware.md

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layout	title	description	menu	order	redirect_from	module
middleware	Express middleware	Explore a list of Express.js middleware modules maintained by the Express team and the community, including built-in middleware and popular third-party modules.	resources	3	/resources/middleware.html	mw-home

Express middleware

The Express middleware modules listed here are maintained by the Expressjs team.

Middleware module	Description
body-parser	Parse HTTP request body.
compression	Compress HTTP responses.
connect-rid	Generate unique request ID.
cookie-parser	Parse cookie header and populate req.cookies. See also cookies.
cookie-session	Establish cookie-based sessions.
cors	Enable cross-origin resource sharing (CORS) with various options.
errorhandler	Development error-handling/debugging.
method-override	Override HTTP methods using header.
morgan	HTTP request logger.
multer	Handle multi-part form data.
response-time	Record HTTP response time.
serve-favicon	Serve a favicon.
serve-index	Serve directory listing for a given path.
serve-static	Serve static files.
session	Establish server-based sessions (development only).
timeout	Set a timeout perioHTTP request processing.
vhost	Create virtual domains.

Additional middleware modules

These are some additional popular middleware modules.

{% include community-caveat.html %}

Middleware module	Description
helmet	Helps secure your apps by setting various HTTP headers.
passport	Authentication using "strategies" such as OAuth, OpenID and many others. See passportjs.org for more information.