.env.development Jun 2026

: Create a .env.example file that contains the keys but no real values . This acts as a guide for other developers to know what they need to fill in. 3. Example Structure

if (process.env.NODE_ENV === 'development') apiUrl = 'http://localhost:8000'; else if (process.env.NODE_ENV === 'production') apiUrl = 'https://api.myapp.com'; .env.development

Create config.js :

# .env.development API_URL=http://localhost:4000/api DEBUG_MODE=true LOG_LEVEL=debug SECRET_KEY=dev-secret-do-not-use-in-prod : Create a

: It allows developers to define variables (like a local database URL or a mock API key) that are automatically loaded when running commands like npm run dev . .env.development