text: #!/usr/bin/env
  /**
   * Copyright 2015 IBM Corp. All Rights Reserved.
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  'use strict';
  
  require('dotenv').config({silent: true});
  
  var server = require('./app');
  var port = process.env.PORT || process.env.VCAP_APP_PORT || 3000;
  
  server.listen(port, function() {
    // eslint-disable-next-line
    console.log('Server running on port: %d', port);
  });
  server.get('/webhook/', function (req, res) {
  	res.send(req.query['hub.challenge'])
  })
  
  