Adding the capability to connect databases to Express apps is just a matter of loading an appropriate Node.js driver for the database in your app. This document briefly explains

Express uses the debug module internally to log information about route matches, middleware

Define error-handling middleware functions in the same way as other middleware functions, except error-handling functions have four arguments instead of three: (err,

Overview The term “production” refers to the stage in the software lifecycle when an application or API is generally

A template engine enables you to use static template files in your application. At runtime, the template engine replaces variables in a template file with actual values

Node.js vulnerabilities directly affect Express. Therefore keep

When running an Express app behind a proxy, set (by using app.set()) the application variable trust proxy to one of the values listed in the following table.

Routing refers to the definition of application end points (URIs) and how they respond to client requests. For an introduction to routing, see

When you run Express apps for production, it is helpful to use a process manager to achieve the following tasks: Restart the app

Overview Express 5.0 is still in the alpha release stage, but here is a preview of the changes that will be in the release