export default function handler(req, res) {
  res.status(200).json({
    message: 'Simple JS endpoint works!',
    method: req.method,
    timestamp: new Date().toISOString(),
    environment: process.env.NODE_ENV || 'unknown',
    has_database_url: !!process.env.DATABASE_URL,
    has_jwt_secret: !!process.env.JWT_SECRET,
    database_url_preview: process.env.DATABASE_URL ? 
      process.env.DATABASE_URL.substring(0, 30) + '...' : 'not set'
  });
}