Use dotenv in Node JS: 10 Examples for Secure Environment Setup
Environment variables are essential in modern application development. They help manage sensitive data like API keys, database credentials, and secret tokens securely. In Node.js applications, the dotenv package is a popular tool for managing these variables. This article explores how to use dotenv in Node JS effectively with 10 practical examples. By the end of this guide, you’ll understand how to set up and use dotenv, why it matters for security, and how to implement it in different scenarios.