udemy-node-todo-app/server/server.js

var express = require('express')
var bodyParser = require('body-parser')

var {mongoose} = require('./db/mongoose')
var {User} = require('./models/user')
var {Todo} = require('./models/todo')

var app = express();

app.use(bodyParser.json());

app.post('/todos', (req, res) => {
  var todo = new Todo({
    text: req.body.text
  });

  todo.save().then((doc) => {
    return res.send(doc);
  }, (e) => {
    return res.status(400).send(e);
  });
});

app.listen(8888, () => {
  console.log("Started on port 8888");
});

module.exports = {app}