old_contents: const express = require('express');
  const appexpress = module.exports = exports = express();
  const mongoose = require('mongoose');
  
  const authRoutes = require(__dirname + '/../routes/auth_routes');
  const trailRoutes = require(__dirname + '/../routes/trail_routes');
  
  appexpress.use('/api', authRoutes);
  appexpress.use('/api', trailRoutes);
  
  module.exports = exports = {
    server: appexpress,
    db: mongoose,
    dbconnect: process.env.MONGOLAB_URI || 'mongodb://localhost/localdbtest'
  };
  
new_contents: const express = require('express');
  const appexpress = module.exports = exports = express();
  const mongoose = require('mongoose');
  
  const authRoutes = require(__dirname + '/../routes/auth_routes');
  const trailRoutes = require(__dirname + '/../routes/trail_routes');
  
  appexpress.use('/api', authRoutes);
  appexpress.use('/api', trailRoutes);
  
  module.exports = exports = {
    server: appexpress,
    db: mongoose,
    dbconnect: process.env.MONGO_URI || 'mongodb://localhost/localdbtest'
  };
  
subject: remove LAB from MONGO