Sample Server

app.js

// app.js
const express = require('express');
const bodyParser = require('body-parser');
const path = require('path');
const cookieParser = require('cookie-parser');
const session = require('express-session');

const app = express();

app.use(bodyParser.json());
app.use(express.static(path.join(__dirname, 'public')));
app.use(bodyParser.urlencoded({extended: true}));
app.use(cookieParser());
app.use('/', require('./routes/createDisc'));

app.listen(3000, function() {
    console.log('Example listening on port 3000!')
})

createDisc.js

// routes/createDisc.js
var express = require('express');
var router = express.Router();
var disc = require('../controllers/disc');

router.get('/discussion/create', function (req, res, next) {
    console.log('get /discussion/create');
    res.json('get all discussion');
});

router.post('/discussion/create', disc.createDisc);

module.exports = router;

disc.js

// controllers/disc.js
exports.createDisc = function (req, res, next) {
    console.log('post /discussion/create');
    res.json('create new discussion')
};