link-stack/apps/leafcutter/next.config.js

const ContentSecurityPolicy = `
  default-src 'self';
  script-src 'self';
  child-src example.com;
  style-src 'self' example.com;
  font-src 'self';
`;

module.exports = {
  transpilePackages: ["leafcutter-common"],
  rewrites: async () => ({
    fallback: [
      {
        source: "/:path*",
        destination: "/api/proxy/:path*",
      },
    ],
  }),
  /*
  basePath: "/proxy/leafcutter",
  assetPrefix: "/proxy/leafcutter",
  i18n: {
    locales: ["en", "fr"],
    defaultLocale: "en",
  },
*/

  /*
  async headers() {
    return [
      {
        source: '/:path*',
        headers: [

          {
            key: 'Content-Security-Policy',
            value: ContentSecurityPolicy.replace(/\s{2,}/g, ' ').trim()
          },

          {
            key: 'Strict-Transport-Security',
            value: 'max-age=63072000; includeSubDomains; preload'
          },
          {
            key: 'X-XSS-Protection',
            value: '1; mode=block'
          },
          {
            key: 'X-Frame-Options',
            value: 'SAMEORIGIN'
          }
        ],
      },
    ]
  }
 */
};