/**
 * Configurations of logger.
 */
 var winston = require('winston');
  require('winston-daily-rotate-file');

  var transport = new winston.transports.DailyRotateFile({
    filename: 'storage/log/msg.log',
    datePattern: 'YYYY-MM-DD',
    zippedArchive: true,
    maxSize: '20m',
    maxFiles: '14d'
  });

  transport.on('rotate', function(oldFilename, newFilename) {
    // do something fun
  });

  const logger = winston.createLogger({
    transports: [
      transport
    ]
  });
  module.exports = {
    'logMsg': logger,
  };