index.js

#!/usr/bin/env node

var program = require('commander')
var checkEnv = require('check-env')
var createBots = require('./lib/helpers').createBots
var logger = require('winston')

if (process.env.NODE_ENV === 'development') {
  logger.level = 'debug'
}

program
  .option('-c, --config <path>',
    'Sets the path to the config file, otherwise read from the env variable CONFIG_FILE.'
  )
  .parse(process.argv)

// If no config option is given, try to use the env variable:
if (!program.config) checkEnv(['CONFIG_FILE'])
else process.env.CONFIG_FILE = program.config

createBots()