forecasterarena/next.config.mjs at main · setrf/forecasterarena · GitHub

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/** @type {import('next').NextConfig} */
const nextConfig = {
  // Production optimizations
  compress: true,
  poweredByHeader: false,
  reactStrictMode: true,
  transpilePackages: ['geist'],
  allowedDevOrigins: ['127.0.0.1'],

  // Security headers
  async headers() {
    return [
      {
        source: '/:path*',
        headers: [
          {
            key: 'X-Content-Type-Options',
            value: 'nosniff',
          },
          {
            key: 'X-Frame-Options',
            value: 'DENY',
          },
          {
            key: 'X-XSS-Protection',
            value: '1; mode=block',
          },
          {
            key: 'Referrer-Policy',
            value: 'strict-origin-when-cross-origin',
          },
        ],
      },
    ];
  },
};

export default nextConfig;