next.config.mjs

import path from "node:path";

const contentSecurityPolicyReportOnly = [
  "default-src 'self'",
  "base-uri 'self'",
  "form-action 'self'",
  "frame-ancestors 'none'",
  "object-src 'none'",
  "script-src 'self' 'unsafe-inline' 'unsafe-eval'",
  "style-src 'self' 'unsafe-inline'",
  "img-src 'self' data: blob: https:",
  "font-src 'self' data:",
  "connect-src 'self' https: ws: wss:",
  "worker-src 'self' blob:",
  "media-src 'self' blob:",
  "manifest-src 'self'",
].join("; ");

const securityHeaders = [
  { key: "X-Content-Type-Options", value: "nosniff" },
  { key: "X-Frame-Options", value: "DENY" },
  { key: "Referrer-Policy", value: "strict-origin-when-cross-origin" },
  { key: "Strict-Transport-Security", value: "max-age=31536000; includeSubDomains" },
  { key: "Content-Security-Policy-Report-Only", value: contentSecurityPolicyReportOnly },
];

/** @type {import('next').NextConfig} */
const nextConfig = {
  reactStrictMode: true,
  output: "standalone",
  outputFileTracingRoot: path.resolve("."),
  serverExternalPackages: ["better-sqlite3"],
  compress: true,
  poweredByHeader: false,
  productionBrowserSourceMaps: false,
  images: {
    unoptimized: false,
    formats: ["image/avif", "image/webp"],
    deviceSizes: [375, 640, 768, 1024, 1440, 1920],
  },
  experimental: {
    optimizePackageImports: ["lucide-react"],
    cpus: 1,
  },
  // 安全响应头
  async headers() {
    return [
      {
        source: "/(.*)",
        headers: securityHeaders,
      },
    ];
  },
};

export default nextConfig;