DownloadEnvFiles

export async function downloadEnvFiles(env_name): Promise<any> {
	const LOGGER: pino.Logger = PinoLoggerServiceInstance.getLogger(__filename);

	return new Promise(async (res, rej) => {
        // Get the storage
		const str = GcloudAuthenticationInstance.createGcloudAuthenticationBucket();
		try {
                    // get the file list from the storage and the bucket
		   const [files] = await str.bucket(GCLOUD_ENV_STR_BUCKET_NAME).getFiles();
                   // filter the req file
                   const filteredFile =
				ENV_NAME_DEV === env_name
					? _.find(files, (file) => {
							return file.name.includes(GCLOUD_STORED_FILE_NAME_DEV);
					  })
					: _.find(files, (file) => {
							return file.name.includes(GCLOUD_STORED_FILE_NAME_PROD);
					  });
                   // send it as a stream 
		     res({
				status: 'Success',
				code: 200,
				error: null,
				stream: str
					.bucket(GCLOUD_ENV_STR_BUCKET_NAME)
					.file(filteredFile.name)
					.createReadStream(),
			});
		 } catch (err) {
			LOGGER.error('Error in retrieving files from gcloud', err);
			rej({ status: 'Error', error: err, code: 500 });
		}
	});
}