next.config.ts

import type { NextConfig } from "next";

const isDevelopment = process.env.NODE_ENV !== 'production';

const nextConfig: NextConfig = {
  allowedDevOrigins: ['127.0.0.1', 'localhost'],
  // Security Headers
  async headers() {
    return [
      {
        source: '/:path*',
        headers: [
          { key: 'X-Frame-Options', value: 'DENY' },
          { 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=()' },
          ...(isDevelopment ? [] : [{ key: 'Strict-Transport-Security', value: 'max-age=31536000; includeSubDomains; preload' }]),
        ],
      },
    ];
  },
  images: {
    remotePatterns: [
      // Facebook/Instagram
      {
        protocol: 'https',
        hostname: '**.fbcdn.net',
      },
      {
        protocol: 'https',
        hostname: '**.cdninstagram.com',
      },
      {
        protocol: 'https',
        hostname: 'scontent.cdninstagram.com',
      },
      // Twitter
      {
        protocol: 'https',
        hostname: 'pbs.twimg.com',
      },
      {
        protocol: 'https',
        hostname: 'video.twimg.com',
      },
      // Weibo
      {
        protocol: 'https',
        hostname: '**.sinaimg.cn',
      },
      {
        protocol: 'http',
        hostname: '**.sinaimg.cn',
      },
      // TikTok
      {
        protocol: 'https',
        hostname: '**.tiktokcdn.com',
      },
      {
        protocol: 'https',
        hostname: '**.tiktokcdn-us.com',
      },
      // Generic - allow all for unoptimized images
      {
        protocol: 'https',
        hostname: '**',
      },
    ],
  },
  // Disable strict mode for development to avoid double renders
  reactStrictMode: true,
};

export default nextConfig;