code: function loadConfigFile(configFile) {
  	const filePath = path.isAbsolute(configFile) ? configFile : path.resolve(process.cwd(), configFile);
  	if (filePath) {
  		if (!fs.existsSync(filePath))
  			throw new Error(`Config file not found: ${filePath}`);
  
  		const ext = path.extname(filePath);
  		switch (ext) {
  			case ".json":
  			case ".js": {
  				console.log(`Load broker configuration from '${filePath}'...`);
  				return require(filePath);
  			}
  			default: throw new Error(`Not supported file extension: ${ext}`);
  		}
  	}
  }
docs: Load configuration file