Adding CORS, Express, and Morgan Middleware
Explore how to implement key middleware functions such as express.json, CORS, and Morgan in an Express-based NodeJS backend. Understand middleware roles in request handling, enabling cross-origin resource sharing, and logging HTTP requests to build a robust backend server.
We'll cover the following...
We'll cover the following...
What is middleware?
In the Express framework, middleware is a function that has access to the request object (req), the response object (res), as well as the next function (next()) in the application’s request-response cycle.
Below is a sample of what a middleware function looks like:
const express = require('express')
const app = express()
app.use(function (req,