BasePath and Locale broken

{
    reactStrictMode: true,
    swcMinify: true,
    /** Next.js i18n docs:
     * @see https://nextjs.org/docs/advanced-features/i18n-routing
     * Reference repo for i18n:
     * @see https://github.com/juliusmarminge/t3-i18n
     **/
    i18n: {
      defaultLocale: "en",
      locales: ["en"],
    },
    basePath: env.APP_BASE_PATH,
    async redirects() {
      return [
        {
          source: "/",
          destination: env.APP_BASE_PATH,
          basePath: false,
          permanent: false,
        },
      ];
    },
  }