text: const express = require('express');
  const graphqlHTTP = require('express-graphql');
  const cors = require('cors');
  const app = express();
  // store config variables in dotenv
  require('dotenv').config();
  schema = require('./schema/mongoDBSchema'); // uncomment this for MONGODB
  //schema = require('./schema/mysqlDBSchema'); // uncomment this for MYSQL // MYSQL version is not WORKING yet, will update in near future release v1.1.9
  
  // ****** Set up default mongoose connection START ****** //
  const mongoose = require('mongoose');
  // var mongoDB = process.env.mongoDBMLABURL; // cloud hosted MongoDB
  var mongoDB = process.env.mongoDBLocalURL; // locally hosted MongoDB
  mongoose.connect(mongoDB);
  
  mongoose.connection.on('error', console.error.bind(console, 'MongoDB connection error:'));
  mongoose.connection.once('open', () => {
      console.log('conneted to MONGODB- st-kings database');
  });
  // ****** Set up default mongoose connection END ****** //
  
  // ****** allow cross-origin requests code START ****** //
  app.use(cors()); // uncomment this to enable all CORS and delete cors(corsOptions) in below code
  // var allowedOrigins = process.env.allowedOrigins.split(',');
  // app.use(cors({
  //     origin: function (origin, callback) {
  //         // allow requests with no origin 
  //         // (like mobile apps or curl requests)
  //         if (!origin) return callback(null, true);
  
  //         if (allowedOrigins.indexOf(origin) === -1) {
  //             var msg = 'The CORS policy for this site does not ' + 'allow access from the specified Origin.';
  //             return callback(new Error(msg), false);
  //         }
  //         return callback(null, true);
  //     }
  // }));
  // ****** allow cross-origin requests code END ****** //
  
  // bind express with graphql
  app.use('/graphql', graphqlHTTP({
      schema,
      graphiql: false
  }));
  app.use('/alivetracking', graphqlHTTP({
      schema,
      graphiql: false
  }));
  app.use('/', (req, res) => res.send("Welcome St-kings User"));
  app.listen(process.env.PORT, () => console.log('St-kings Server is ready on localhost:' + process.env.PORT));
  