index.js

const express = require('express');
const morgan = require('morgan');
const cors = require('cors');
const path = require('path');
const mongoose = require('mongoose');
const history = require('connect-history-api-fallback');
const routerApi = require('./routes');
let mockUser = require('./mocking/userslists.js');
require('dotenv').config();

const app = express();


// Or using promises
/* mongoose.connect(process.env.URI, process.env.OPTIONS).then(
   ready to use. The `mongoose.connect()` promise resolves to mongoose instance.
  () => {
    console.log('Conectado a DB');
  },
  handle initial connection error
  (err) => {
    console.log(err);
  },
);
*/
mongoose.connect(process.env.URI).then(
  () => { console.log('conectado a la DB');}
).catch(
  (err) => { console.log(err);}
)


if (process.env.NODE_ENV === 'production') {
  // Definir un directorio estático
  app.use(express.static(`${__dirname}/site/`));
  app.get('*', (req, res) => {
    res.sendFile(`${__dirname}/site/index.html`);
  });
}

// Middleware
app.use(cors());
app.use(morgan('tiny'));
app.use(express.json());
app.use(
  express.urlencoded({
    extended: true,
  }),
);

app.get('/', (req, res) => {
  res.send('HEllooo to my new server');
  console.log(mockUser(15));
});

routerApi(app);

// Middleware para Vue.js router modo history
app.use(history());
app.use(express.static(path.join(__dirname, 'public')));

app.listen(process.env.PORT, () => {
  console.log(`App ejemplo corriendo por el puerto: ${process.env.PORT}`);
});