.env

// Create a .env file at your project root:

// add your variables:

VITE_API_KEY=your_api_key_here

// Accessing Environment Variables:
// In your Vite project, you can access the environment variable directly:

const apiKey = import.meta.env.VITE_API_KEY;

// webpack:

REACT_APP_API_KEY=your_api_key_here

// accessing variables: 
const apiKey = process.env.REACT_APP_API_KEY;