old_contents: 
  'use strict';
  
  const express = require('express');
  const http = require('http');
  
  const server = express();
  
  var serverPort = process.env.PORT || 8080;
  
  // Development Server Options
  
  const isDev = process.env.NODE_ENV !== 'production';
  const env  = isDev ? 'development' : process.env.NODE_ENV;
  const port = process.env.PORT || 8080;
  const host = process.env.HOST || 'localhost';
  
  server.set('env', env);
  server.set('host', host); 
  server.set('port', port);
  
  if (isDev) {
    server.use(require('connect-livereload')({ port: 35729 }));
  }
  
  // Production Server Options
  
  // static paths for the rest
  server.use(express.static('./distribution'));
  
  // Create the server
  http.createServer(server).listen(port);
  
  console.log('=================================');
  console.log('  Server listening on port ' + port);
  console.log('=================================');
  
new_contents: 
  'use strict';
  
  const express = require('express');
  const http = require('http');
  
  const server = express();
  
  // Development Server Options
  
  const isDev = process.env.NODE_ENV !== 'production';
  const env  = isDev ? 'development' : process.env.NODE_ENV;
  const port = process.env.PORT || 8080;
  const host = process.env.HOST || 'localhost';
  
  server.set('env', env);
  server.set('host', host); 
  server.set('port', port);
  
  if (isDev) {
    server.use(require('connect-livereload')({ port: 35729 }));
  }
  
  // Production Server Options
  
  // static paths for the rest
  server.use(express.static('./distribution'));
  
  // Create the server
  http.createServer(server).listen(port);
  
  console.log('=================================');
  console.log('  Server listening on port ' + port);
  console.log('=================================');
  
subject: remove duplicate line