betirement/next.config.mjs at main · rathernotsay21/betirement · GitHub

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import createMDX from '@next/mdx';
import remarkGfm from 'remark-gfm';
import rehypeHighlight from 'rehype-highlight';

/** @type {import('next').NextConfig} */
const nextConfig = {
  // Optimize for Netlify deployment with Next.js plugin
  // Note: 'standalone' output mode is incompatible with Netlify serverless functions

  // Enable MDX support
  pageExtensions: ['js', 'jsx', 'md', 'mdx', 'ts', 'tsx'],

  // Image optimization
  images: {
    formats: ['image/webp', 'image/avif'],
    deviceSizes: [640, 750, 828, 1080, 1200, 1920, 2048, 3840],
    imageSizes: [16, 32, 48, 64, 96, 128, 256, 384],
    remotePatterns: [
      {
        protocol: 'https',
        hostname: 'i.ytimg.com',
        pathname: '/vi/**',
      },
      {
        protocol: 'https',
        hostname: 'img.youtube.com',
        pathname: '/vi/**',
      },
      {
        protocol: 'https',
        hostname: 'picsum.photos',
        pathname: '/**',
      },
    ],
  },

  // Performance optimizations
  swcMinify: true,

  // Security headers
  async headers() {
    return [
      {
        source: '/:path*',
        headers: [
          {
            key: 'X-DNS-Prefetch-Control',
            value: 'on'
          },
          {
            key: 'X-Frame-Options',
            value: 'SAMEORIGIN'
          },
          {
            key: 'X-Content-Type-Options',
            value: 'nosniff'
          },
          {
            key: 'Referrer-Policy',
            value: 'origin-when-cross-origin'
          },
          {
            key: 'X-XSS-Protection',
            value: '1; mode=block'
          },
          {
            key: 'Permissions-Policy',
            value: 'camera=(), microphone=(), geolocation=()'
          },
          {
            key: 'Content-Security-Policy',
            value: [
              "default-src 'self'",
              "script-src 'self' 'unsafe-eval' 'unsafe-inline' https://www.youtube.com https://www.google.com https://plausible.io https://va.vercel-scripts.com",
              "style-src 'self' 'unsafe-inline' https://fonts.googleapis.com",
              "img-src 'self' data: https: blob:",
              "font-src 'self' https://fonts.gstatic.com",
              "connect-src 'self' https://www.youtube.com https://i.ytimg.com https://plausible.io https://vitals.vercel-insights.com https://api.coingecko.com",
              "frame-src 'self' https://www.youtube.com https://www.youtube-nocookie.com",
              "media-src 'self' https://www.youtube.com",
              "object-src 'none'",
              "base-uri 'self'",
              "form-action 'self'",
              "frame-ancestors 'self'",
              "upgrade-insecure-requests"
            ].join('; ')
          },
        ],
      },
      {
        source: '/images/:path*',
        headers: [
          {
            key: 'Cache-Control',
            value: 'public, max-age=31536000, immutable',
          },
        ],
      },
      {
        source: '/api/:path*',
        headers: [
          {
            key: 'X-Content-Type-Options',
            value: 'nosniff'
          },
          {
            key: 'X-Frame-Options',
            value: 'DENY'
          },
          {
            key: 'Cache-Control',
            value: 'no-store, max-age=0'
          },
        ],
      },
    ];
  },
};

const withMDX = createMDX({
  options: {
    remarkPlugins: [remarkGfm],
    rehypePlugins: [rehypeHighlight],
  },
});

export default withMDX(nextConfig);