Environment Variables

Configure your application using environment variables for different deployment stages.

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Env Variables

What Are Environment Variables?

Environment variables are key-value pairs that store configuration data outside of your codebase. They allow you to customize your application's behavior without modifying source code.

Local Development

# .env.dev
PORT=3000
DEBUG=true
API_URL=https://api.dev.local

Use .env.dev for local development settings.

Production

# .env.prod
PORT=80
DEBUG=false
API_URL=https://api.prod.local

Use .env.prod for production settings.

Configuration Best Practices

Secure Storage

Never commit sensitive environment variables to version control.

Environment Separation

Maintain separate configuration files for different environments.

CI/CD Integration

Inject environment variables through your CI/CD pipeline securely.

Usage Examples

JavaScript Access Variable

const apiKey = process.env.VITE_API_KEY;
console.log(`Using API key: ${apiKey}`);

View Configuration

cURL Env Access

curl -X GET 'https://api.dev.local/data' \
  -H 'Authorization: Bearer $API_TOKEN' \
  -H 'Content-Type: application/json'

Configuration Examples