Command-Line Arguments
Pass environment variables as command-line arguments when running NodeJS applications. These arguments can be accessed using process.argv
:
node app.js --env=development
const env = process.argv.find(arg => arg.startsWith('--env=')).split('=')[1];
console.log(`Running in ${env} environment`);
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:
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