herokuconfig vrs

herokoconfig

var express = require("express");
var bodyParser = require('body-parser').json();
var app = express();
var MongoClient = require('mongodb').MongoClient;
var assert = require('assert');
var ObjectId = require('mongodb').ObjectID;
var cron = require('node-cron');
var cronTask = require('./modules/cronConfig/cron')

if(!process.env.MLABURI) var config = require('./config/mongo');
var mongoUrl = process.env.MLABURI || config.mongoURI;

app.listen(process.env.PORT || 3000);
console.log("Server running on port 3000");

//cron.schedule('* * * * *', function() {
  cronTask();
//});

app.post('/meal', bodyParser, function(req, res) {
  var insertDocument = function(db, callback) {
   db.collection('meal').insertOne(req.body, function(err, result) {
    if(err) res.status(500).json(err);
    else res.status(200).json(result);
    assert.equal(err, null);
    console.log("Inserted a document into the meal collection.");
    callback();
    });
  };

  MongoClient.connect(mongoUrl, function(err, db) {
    assert.equal(null, err);
    insertDocument(db, function() {
      db.close();
    });
  });