server.js

require('dotenv').config();
const express = require('express');
const app = express();
const PORT = process.env.PORT || 3000;
const path = require('path');
const cors = require('cors');
// Cors 
const corsOptions = {
  origin: process.env.ALLOWED_CLIENTS.split(',')
  // ['http://localhost:3000', 'http://localhost:5000', 'http://localhost:3300']
}

// Default configuration looks like
// {
//     "origin": "*",
//     "methods": "GET,HEAD,PUT,PATCH,POST,DELETE",
//     "preflightContinue": false,
//     "optionsSuccessStatus": 204
//   }
app.use((req, res, next) => {
  res.header('Access-Control-Allow-Origin', '*');
  next();
});
app.get('/api/files', (req, res) => {
  request(
    { url: 'http://localhost:3000/jokes/random' },
    (error, response, body) => {
      if (error || response.statusCode !== 200) {
        return res.status(500).json({ type: 'error', message: err.message });
      }

      res.json(JSON.parse(body));
    }
  )
});
app.use(cors(corsOptions))
app.use(express.static('public'));

const connectDB = require('./config/db');
connectDB();

app.use(express.json());

app.set('views', path.join(__dirname, '/views'));
app.set('view engine', 'ejs');

// Routes 
app.use('/api/files', require('./routes/files'));
app.use('/files', require('./routes/show'));
app.use('/files/download', require('./routes/download'));


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