text: 'use strict';
  
  var winston = require('winston');
  
  const logger = winston.createLogger({
  	level: 'info',
  	format: winston.format.json(),
  	transports: [
  	  //
  	  // - Write to all logs with level `info` and below to `combined.log` 
  	  // - Write all logs error (and below) to `error.log`.
  	  //
  	  new winston.transports.File({ filename: 'error.log', level: 'error' }),
  	  new winston.transports.File({ filename: 'combined.log' })
  	]
    });
    
    //
    // If we're not in production then log to the `console` with the format:
    // `${info.level}: ${info.message} JSON.stringify({ ...rest }) `
    // 
    if (process.env.NODE_ENV !== 'production') {
  	logger.add(new winston.transports.Console({
  	  format: winston.format.simple()
  	}));
    }
  
  module.exports = logger;