next.config.ts

import type { NextConfig } from "next";
import { initOpenNextCloudflareForDev } from "@opennextjs/cloudflare";

initOpenNextCloudflareForDev();

const r2Hostname = process.env.R2_ACCOUNT_ID
  ? `${process.env.R2_ACCOUNT_ID}.r2.cloudflarestorage.com`
  : null;
const r2Pathname = process.env.R2_BUCKET_NAME
  ? `/${process.env.R2_BUCKET_NAME}/**`
  : "/**";

const isDevelopment = process.env.NODE_ENV === "development";
const contentSecurityPolicy = [
  "default-src 'self'",
  `script-src 'self' 'unsafe-inline'${isDevelopment ? " 'unsafe-eval'" : ""}`,
  "style-src 'self' 'unsafe-inline'",
  "img-src 'self' blob: data: https:",
  "media-src 'self' blob: https:",
  "font-src 'self' data:",
  "connect-src 'self' https://*.supabase.co wss://*.supabase.co https://*.r2.cloudflarestorage.com",
  "worker-src 'self' blob:",
  "object-src 'none'",
  "base-uri 'self'",
  "form-action 'self'",
  "frame-ancestors 'none'",
  ...(isDevelopment ? [] : ["upgrade-insecure-requests"]),
].join("; ");

const nextConfig: NextConfig = {
  poweredByHeader: false,
  images: {
    remotePatterns: [
      { protocol: "https", hostname: "images.unsplash.com", pathname: "/photo-**" },
      ...(r2Hostname
        ? [{ protocol: "https" as const, hostname: r2Hostname, pathname: r2Pathname }]
        : []),
    ],
  },
  async headers() {
    return [
      {
        source: "/:path*",
        headers: [
          { key: "Content-Security-Policy", value: contentSecurityPolicy },
          { key: "Referrer-Policy", value: "strict-origin-when-cross-origin" },
          {
            key: "Permissions-Policy",
            value: "camera=(), microphone=(), geolocation=(), payment=(), usb=(), browsing-topics=()",
          },
          { key: "Strict-Transport-Security", value: "max-age=31536000; includeSubDomains" },
          { key: "X-Content-Type-Options", value: "nosniff" },
          { key: "X-Frame-Options", value: "DENY" },
          { key: "X-XSS-Protection", value: "0" },
        ],
      },
    ];
  },
};

export default nextConfig;