next.config.ts

import type { NextConfig } from "next";

const securityHeaders = [
  { key: "X-Content-Type-Options", value: "nosniff" },
  { key: "Referrer-Policy", value: "strict-origin-when-cross-origin" },
  { key: "X-Frame-Options", value: "DENY" },
  { key: "Content-Security-Policy", value: "frame-ancestors 'none'" },
  ...(process.env.NODE_ENV === "production"
    ? [
        {
          key: "Strict-Transport-Security",
          value: "max-age=31536000; includeSubDomains",
        },
      ]
    : []),
];

const nextConfig: NextConfig = {
  output: "standalone",
  outputFileTracingRoot: process.cwd(),
  productionBrowserSourceMaps: false,
  async redirects() {
    return [
      { source: "/functional-org-chart", destination: "/chart", permanent: true },
    ];
  },
  async headers() {
    return [
      { source: "/", headers: securityHeaders },
      { source: "/:path*", headers: securityHeaders },
    ];
  },
};

export default nextConfig;