app.js

const path = require('path');
const express = require('express');
const app = express();
const morgan = require('morgan');
require('./database');
const routing = require('./routes');
const errorHandler = require('errorhandler');

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

app.use(express.static(path.join(__dirname, 'public')));
app.use(express.json());
app.use(express.urlencoded({ extended: true }));
app.use(morgan('tiny'));

app.use(routing);

if (process.env.NODE_ENV === 'development') {
  app.use(errorHandler());
} 

app.use((err, req, res, next) => {
  const env = process.env.NODE_ENV;
  if (env === 'production') {
    res.status(500).render('error', { 
      error: {
        code: err.code || 500,
        message: err.message
      } 
    });
  }
});

app.listen(3000);