docs: def cdn_url(request):
      """
      A context processor that exposes the full CDN URL in templates.
      """
      cdn_url, ssl_url = _get_container_urls(CumulusStorage())
      static_url = settings.STATIC_URL
  
      return {
          "CDN_URL": cdn_url + static_url,
          "CDN_SSL_URL": ssl_url + static_url,
      }