server.js

var express = require("express");
var app = express();
var cfenv = require("cfenv");
var bodyParser = require('body-parser')

// parse application/x-www-form-urlencoded
app.use(bodyParser.urlencoded({ extended: false }))

// parse application/json
app.use(bodyParser.json())

/* Endpoint to greet and add a new visitor to database.
* Send a POST request to localhost:3000/api/visitors with body
* {
*   "name": "Bob"
* }
*/
app.post("/api/visitors", function (request, response) {
  var userName = request.body.name;
  var doc = { "name" : userName };
  if(!mydb) {
    console.log("No database.");
    response.send(doc);
    return;
  }
  insertOne[vendor](doc, response);
});

/**
 * Endpoint to get a JSON array of all the visitors in the database
 * REST API example:
 * <code>
 * GET http://localhost:3000/api/visitors
 * </code>
 *
 * Response:
 * [ "Bob", "Jane" ]
 * @return An array of all the visitor names
 */
app.get("/api/visitors", function (request, response) {
    response.json("{'names':'hello'}");
    return;
});

// load local VCAP configuration  and service credentials
var vcapLocal;
try {
  vcapLocal = require('./vcap-local.json');
  console.log("Loaded local VCAP", vcapLocal);
} catch (e) { }

const appEnvOpts = vcapLocal ? { vcap: vcapLocal} : {}

const appEnv = cfenv.getAppEnv(appEnvOpts);

//serve static file (index.html, images, css)
app.use(express.static(__dirname + '/views/HelloQuantum'));



var port = process.env.PORT || 3000
app.listen(port, function() {
    console.log("To view your app, open this link in your browser: http://localhost:" + port);
});