next.config.js

const { withContentCollections } = require('@content-collections/next');
const createMDX = require('@next/mdx');

/** @type {import('next').NextConfig} */
const nextConfig = {
  pageExtensions: ['js', 'jsx', 'mdx', 'ts', 'tsx'],
  images: {
    remotePatterns: [
      {
        protocol: 'https',
        hostname: 'www.gravatar.com',
        port: '',
        pathname: '/avatar/**',
      },
      {
        protocol: 'https',
        hostname: 'img.shields.io',
        port: '',
        pathname: '/github/stars/**',
      },
      {
        protocol: 'https',
        hostname: 'lbycuccwrcmdaxjqyxut.supabase.co',
        port: '',
        pathname: '/storage/v1/object/public/**',
      },
      {
        protocol: 'https',
        hostname: 'lh3.googleusercontent.com',
        port: '',
        pathname: '/**',
      },
      {
        protocol: 'https',
        hostname: 'avatars.githubusercontent.com',
        port: '',
        pathname: '/**',
      },
      {
        protocol: 'https',
        hostname: 'cdn.discordapp.com',
        port: '',
        pathname: '/**',
      },
      {
        protocol: 'https',
        hostname: 'images.unsplash.com',
        port: '',
        pathname: '/**',
      },
    ],
  },
  async redirects() {
    return [
      {
        source: '/features/roadmaps',
        destination: '/features/roadmap',
        permanent: true,
      },
      {
        source: '/features/daily-challenges',
        destination: '/features/coding-challenges',
        permanent: true,
      },
      {
        source: '/questions',
        destination: '/coding-challenges',
        permanent: true,
      },
    ];
  },
  async headers() {
    return [
      {
        source: '/(.*)',
        headers: [
          {
            key: 'Referrer-Policy',
            value: 'no-referrer-when-downgrade',
          },
          {
            key: 'X-DNS-Prefetch-Control',
            value: 'on',
          },
          {
            key: 'X-Frame-Options',
            value: 'SAMEORIGIN',
          },
          {
            key: 'X-Content-Type-Options',
            value: 'nosniff',
          },
        ],
      },
      {
        source: '/embed/:path*',
        headers: [
          {
            key: 'Content-Security-Policy',
            value: "frame-ancestors 'self'",
          },
        ],
      },
    ];
  },
};

// Merge MDX config with Next.js config
module.exports = withContentCollections(createMDX()(nextConfig));