index.js

const path = require('path');
const express = require('express');
const dotenv = require('dotenv').config();
const sequelize = require('sequelize');
const cookieParser = require('cookie-parser');
const db = require('./models');
const userRoutes = require('./routes/userRoutes');

// Initiallization
const PORT = process.env.PORT || 8080;
const app = express();

// Middlewares
app.use(express.json());
app.use(express.urlencoded({ extended: true }));
app.use(cookieParser());

// synchronizing the db and forcing it to false so we don´t lose data
// si pongo true, entonce me borra la tabla cada vez que inicie el servidor
db.sequelize.sync({ force: false }).then(() => {
    console.log('db has been re sync')
});

// Routes
app.use('/api/users', userRoutes);

// Serve frontend (PRODUCTION)
if (process.env.NODE_ENV === 'production') {

    app.use(express.static(path.join(__dirname, './client/build')))

    app.use('*', (req, res) => {
        res.sendFile(
            path.resolve(__dirname, './', 'client', 'build', 'index.html')
        )
    })
} else {
    app.get('/', (req, res) => {
        res.send('Please set to production')
    })
};

// Server start
app.listen(PORT, () => {
    console.log(`Server is running on port ${PORT}`);
});