Authorization Middleware: check User’s roles with record.JWT Authentication Middleware: verify SignUp, verify token.Via Express routes, HTTP request that matches a route will be checked by CORS Middleware before coming to Security layer. Those functions in turn use MongoDB’s Node.js drivers, either via callbacks for using Promises, to access and update data in your MongoDB database. Express.js has powerful models for URL routing (matching an incoming URL with a server function), and handling HTTP requests and responses.īy making XML HTTP Requests (XHRs) or GETs or POSTs from your React.js front-end, you can connect to Express.js functions that power your application. Express.js is a server-side web framework, and Node.js the popular and powerful JavaScript server platform.Įxpress.js bills itself as a “fast, unopinionated, minimalist web framework for Node.js,” and that is indeed exactly what it is.
Express and Node make up the middle (application) tier.