app.js

const express = require('express');
const morgan = require('morgan');
const cors = require('cors');
const router = require('./routes/mainRouter.js');
const path = require('path');
//const { url } = require('inspector');

const app = express();

//CONEXION A DB
const mongoose = require('mongoose');
//const uri = "mongodb://127.0.0.1:27017/marketplace";
const uri =
  'mongodb+srv://marketplace:ciclo3_pswd_2021@misionticciclo3.wkqqi.mongodb.net/myFirstDatabase?retryWrites=true&w=majority';
const options = { useNewUrlParser: true, useUnifiedTopology: true };

mongoose.connect(uri, options).then(
  () => {
    console.log('Conectado a DB');
  },
  (err) => {
    console.log('Error conectando a la base de datos: ', err);
  }
);

//MIDDLEWARE's
app.use(morgan('tiny'));
app.use(cors());
app.use((req, res, next) => {
  res.header('Access-Control-Allow-Origin', '*');
  res.header(
    'Access-Control-Allow-Headers',
    'Origin, X-Requested-With, Content-Type, Accept'
  );
  res.header('Access-Control-Allow-Methods', 'GET, POST, OPTIONS, PUT, DELETE');
  res.header('Allow', 'GET, POST, OPTIONS, PUT, DELETE');
  next();
});
app.use(express.json());
app.use(express.urlencoded({ extended: true }));

//Main API Router
app.use('/api', router);

const history = require('connect-history-api-fallback');
app.use(history());
app.use(express.static(path.join(__dirname, 'public')));

//PUERTO
app.set('puerto', process.env.PORT || 3002);
app.listen(app.get('puerto'), function() {
  console.log('Example app listening on port ' + app.get('puerto'));
});