for whatever reason we cannot write a 'response' to the socket, but need a 'response_serializer' on boost 1.67 (Debian 10) m(

webserver.cc

@@ -145,7 +145,9 @@ void Webserver::deliver_file(tcp::socket *socket, const request& req)
             res.set(http::field::content_type, mime_type(p.string().c_str()));
             res.content_length(size);
             res.keep_alive(req.keep_alive());
-            http::write(*socket, res, ec);
+            
+            http::response_serializer<http::file_body> res_ser{res};
+            http::write(*socket, res_ser, ec);
         }
     }
     else {