config.js

const path = require('path');
const domain = process.env.DOMAIN_URL;
const config = {
  isProduction: process.env.NODE_ENV === 'production',
  isDebug: !this.isProduction,

  keepAwake: !!process.env.KEEP_PROCESS_AWAKE,

  siteUrl: process.env.SITEURL_DEV + ':' + process.env.PORT,
  appKey: process.env.APPKEY,

  port: process.env.PORT || 8080,
  domain,
  feedList: ['http://www.mindtheproduct.com/feed/', 'https://www.reddit.com/r/prodmgmt/.rss?format=xml'],

  db: {
    databaseUri: 'mysql://root:' + process.env.DATABASE_PASSWORD + '@' + process.env.DATABASE_HOST + '/zagnut',

    options: {
      operatorsAliases: false,
      dialect: 'mysql',
      freezeTableName: true
    }
  },

  elasticsearch: process.env.ELASTIC_SEARCH_URL,

  cors: {
    credentials: true,
    origin: function(origin, callback) {
      if (typeof origin === 'undefined') return callback(null, true);

    // removing whitelist and just going with one domain in the DOMAIN_URL
    // const whitelist = [
    //    /localhost/,
    //    /pm415.com/,
    //    /zagnut.herokuapp.com/,
    //    /6sprints.com/
    //  ];

    //  for (let i = 0; i < whitelist.length; i++) {
    //    const element = whitelist[i];

    //    if (element.test(origin)) return callback(null, true);
    //  }

    // This one is for just one domain...
      domain_regex= new RegExp(domain);
      if (domain_regex.test(origin)) return callback(null, true);
      callback(new Error(`Not allowed by CORS: "${origin}"`));
    },
    optionsSuccessStatus: 200
  },

  jwtOptions: {
    expiresIn: '7d'
  },

  bearerOptions: {
    bodyKey: 'access_token',
    queryKey: 'access_token',
    headerKey: 'Bearer',
    reqKey: 'token'
  },

  mailerConfig: {
    auth: {
      api_user: process.env.SENDGRID_USERNAME,
      api_key: process.env.SENDGRID_PASSWORD
    },
    from: 'do-not-reply@' + domain,
    confirmationExpiration: 24 * 60 * 60 * 1000,
    rendererConfig: {
      viewPath: path.join(__dirname, 'templates/emails/'),
      extName: '.handlebars'
    }
  }
};

if (process.env.NODE_ENV === 'production') {
  config.siteUrl = 'http://' + process.env.DOMAIN_URL + "/";
}

module.exports = config;