How to use Environment Variables in NodeJs with Express and Dotenv

How to use Environment Variables in NodeJs with Express and Dotenv

22 September, 2021

Environment variables in NodeJs are essential for setting configuration options as well as storing important values securely. The environment variables allow you to store API keys and other configuration secrets independently from your main codebase and separate from your git repository so they never get checked in anywhere. Being able to configure and consume these variables is essential in creating solid, production-ready NodeJs APIs for all applications.