index.js

const express = require('express');
const bodyParser = require('body-parser');
const cors = require('cors');

const authRoutes = require('./routes/auth');
const postsRoutes = require('./routes/posts');
const userRoutes = require('./routes/userRoutes');
const errorController = require('./controllers/error');

const app = express();
const ports = process.env.PORT || 3000;

app.use(bodyParser.json());

// Configuración de CORS
app.use((req, res, next) => {
  res.setHeader('Access-Control-Allow-Origin', '*');
  res.setHeader('Access-Control-Allow-Methods', 'GET, POST, PUT, DELETE, OPTIONS');
  res.setHeader('Access-Control-Allow-Headers', 'Content-Type, Accept, X-Custom-Header, Authorization');
  if (req.method === 'OPTIONS') {
    return res.status(200).end();
  }
  next();
});

// Define tus rutas después de configurar CORS
app.use('/api/users', userRoutes);
app.use('/auth', authRoutes);
app.use('/post', postsRoutes);

app.use(errorController.get404);
app.use(errorController.get500);

app.listen(ports, () => console.log(`Listening on port ${ports}`));