Configuration Files
Create configuration files (e.g., .env
) to store environment-specific variables. Use libraries like dotenv
to load environment variables from these files into process.env
:
require('dotenv').config();
console.log(process.env.DB_HOST);
How to handle environment variables in Node ?
Environment variables are dynamic values that can affect the behavior of NodeJS applications across different environments such as development, staging, and production. Managing environment variables properly is essential for configuring applications, connecting to databases, and controlling application behavior. Here’s how you can handle environment variables in NodeJS effectively: