Function envLoader

Environment variables loading middleware

envLoader(): Promise<void>

Mount environment variables on application.

Reads the environment variable file specified in config and sets variables in process.env. Prevents multiple loading with a global flag.

Returns Promise<void>

Example

// This method is called automatically by express-sweet.mount()
import envLoader from './middlewares/envLoader.js';

await envLoader();

Example

// Environment variables configuration in config/config.js
export default {
  /**
   * Path to environment file, defaults to undefined.
   * @type {string|undefined}
   */
  env_path: '.env'
};

Example

// .env file contents
NODE_ENV=development
DATABASE_URL=mysql://localhost/mydb
SECRET_KEY=mysecret