Connecting to MongoDB in Node.js Using Singleton

Hello, everyone! Today we will talk about a very important design pattern in software development called Singleton. This is designed to ensure that only one instance of a class or a function will be created, providing one access point to it across your entire application or even to multiple servers. In this video, I will be explaining the basics of this pattern to you—how it works and why it is very important in most programming situations. By the end of this tutorial, then, you will confidently know how to implement and use Singleton in your projects.