todal-next/next.config.js at main · todal-dev/todal-next · GitHub

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/** @type {import('next').NextConfig} */
const nextConfig = {
  reactStrictMode: true,
  pageExtensions: ['ts', 'tsx'],

  // Security Headers
  async headers() {
    return [
      {
        source: '/:path*',
        headers: [
          {
            key: 'X-DNS-Prefetch-Control',
            value: 'on'
          },
          {
            key: 'Strict-Transport-Security',
            value: 'max-age=63072000; includeSubDomains; preload'
          },
          {
            key: 'X-Frame-Options',
            value: 'SAMEORIGIN'
          },
          {
            key: 'X-Content-Type-Options',
            value: 'nosniff'
          },
          {
            key: 'X-XSS-Protection',
            value: '1; mode=block'
          },
          {
            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-eval' 'unsafe-inline'", // Next.js requires unsafe-eval and unsafe-inline
              "style-src 'self' 'unsafe-inline' https://cdn.jsdelivr.net", // Tailwind requires unsafe-inline, Pretendard font from CDN
              "img-src 'self' data: https:",
              "font-src 'self' data: https://cdn.jsdelivr.net", // Pretendard font from CDN
              "connect-src 'self' https://*.supabase.co https://www.googleapis.com https://apis.data.go.kr",
              "frame-ancestors 'self'",
            ].join('; ')
          },
        ],
      },
    ];
  },
};

module.exports = nextConfig;