next.config.ts

import type { NextConfig } from 'next';

const securityHeaders = [
  { key: 'X-DNS-Prefetch-Control', value: 'on' },
  { key: 'Strict-Transport-Security', value: 'max-age=63072000; includeSubDomains; preload' },
  { key: 'X-Frame-Options', value: 'DENY' },
  { key: 'X-Content-Type-Options', value: 'nosniff' },
  { key: 'Referrer-Policy', value: 'strict-origin-when-cross-origin' },
  { key: 'Permissions-Policy', value: 'camera=(), microphone=(), geolocation=()' },
  { key: 'Content-Security-Policy', value: "default-src 'self'; script-src 'self' 'unsafe-inline' 'unsafe-eval'; style-src 'self' 'unsafe-inline'; img-src 'self' data: blob:; connect-src 'self'; font-src 'self';" },
];

const nextConfig: NextConfig = {
  output: 'standalone',
  serverExternalPackages: ['postgres', 'quickjs-emscripten'],
  async headers() {
    return [
      {
        source: '/(.*)',
        headers: securityHeaders,
      },
    ];
  },
  poweredByHeader: false,
};

export default nextConfig;