index.js

const express = require('express');
const alltomp3 = require('alltomp3');
const request = require('request-promise');
const cors = require('cors')
var things = [];
let appApi = express();
let appFrontend = express();
const portApi = 8080;
const portFrontend = 8081;

appApi.use(cors());

appApi.get('/v1/:artist/:title', function (req, res) {
  if (!req.params.artist || !req.params.title) {
    return res.status(400).send({error: "Artist or title missing"});
  }
  alltomp3.findLyrics(req.params.title, req.params.artist).then(l => {
    res.send({lyrics: l});
  }).catch(e => {
    console.log(e);
    res.status(404).send({error: "No lyrics found"});
  });
});

appApi.get('/suggest/:term', function (req, res) {
  request({
    uri: 'http://api.deezer.com/search?limit=15&q=' + req.params.term,
    json: true
  }).then(results => {
    res.send(results);
  });
});

appFrontend.use(express.static('frontend'));

appApi.listen(portApi, function () {
  console.log('API listening on port ' + portApi);
});

appFrontend.listen(portFrontend, function () {
  console.log('Frontend listening on port ' + portFrontend);
});