'';
    locations."/".extraConfig = /* nginx */ ''
      proxy_hide_header Content-Security-Policy;
      add_header Content-Security-Policy "script-src 'self' 'unsafe-inline' 'unsafe-eval' ${domain} *.${domain}; object-src 'self' ${domain} *.${domain}; img-src 'self' data: https: blob:; base-uri 'self'; frame-ancestors 'self';" always;
      add_header X-Frame-Options DENY always;
      add_header X-Content-Type-Options nosniff always;
      add_header X-XSS-Protection "1; mode=block" always;
      add_header Permissions-Policy "camera=(), geolocation=(), payment=(), usb=()" always;
      add_header Referrer-Policy no-referrer always;