Node.js

Some different ways to add route guards to your Express app to protect private routes. 1. Basic Authentication Middleware A simple user authentication guard can be implemented using middleware functions that check for valid......

If you’re developing with Express in Node.js and encounter the error TypeError: Router.use() requires middleware function but got a Object, it typically means that you have passed an object where Express was expecting a middleware......

Passport.js is an authentication middleware for Node.js that can be used in Express-based web applications. It is highly flexible and modular, offering a set of strategies to authenticate requests. In this guide, we’ll cover how to......

The req.user undefined error typically happens in Express applications using Passport for authentication when Passport is not correctly configured or integrated within the application flow. This property is supposed to hold the current......

When working with Node.js and Express, encountering errors related to handling form-data in POST requests can be a common issue. This happens usually because the body-parser middleware, which is used to parse incoming request bodies, is......

Middleware functions are a fundamental part of Express.js, allowing developers to perform operations on the request and response objects, and end the request-response cycle or call the next middleware in the stack. One common need is to......

Overview In web development, pagination is a crucial feature for handling the display of large datasets. It allows developers to present data in a more organized and user-friendly manner, loading a limited number of items per page.......

Rate limiting is a critical feature for both securing and ensuring fair use of APIs. In an Express application, rate limiting can prevent abuse and help services to remain responsive. Below, we explore three different solutions for......

Caching can greatly enhance the performance of a web application by reducing load times and minimizing network traffic between the server and the database. In the context of a Node.js and Express.js application, there are several viable......

Overview Choosing the right framework for backend development can be a daunting task, with several factors such as performance, scalability, ecosystem, and learning curve coming into play. In this article, we compare Node.js and Django......

Overview Asynchronous operations are a cornerstone of Node.js, enabling non-blocking I/O operations. However, tracking the lifecycle of asynchronous operations can be challenging. This is where Async Hooks come into play. Async Hooks......

Overview In this tutorial, we’ll cover the basics of integrating Amazon Web Services’ Relational Database Service (AWS RDS) with a Node.js application that uses Express.js as its web framework. We’ll begin by setting up an......