index.js

require('dotenv').config();
const express = require('express');
const helmet = require('helmet');
const path = require('path');

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

// Security middleware
app.use(helmet());

// Body parser middleware
app.use(express.json());
app.use(express.urlencoded({ extended: true }));

// Serve static files from the public directory
app.use(express.static(path.join(__dirname, 'public')));

// Basic health check endpoint
app.get('/api/health', (req, res) => {
  res.json({ status: 'healthy', timestamp: new Date().toISOString() });
});

// Global error handler
app.use((err, req, res, next) => {
  console.error(err.stack);
  res.status(500).json({
    error: 'Something went wrong!',
    message: process.env.NODE_ENV === 'development' ? err.message : undefined
  });
});

// Start server
if (require.main === module) {
  app.listen(port, () => {
    console.log(`Server running on port ${port}`);
    console.log(`Environment: ${process.env.NODE_ENV || 'development'}`);
  });
}

module.exports = app; // Export for serverless use