flake.nix

@@ -95,6 +95,12 @@
         then {
           backend = packages.backend;
           frontend = packages.frontend;
+          hydra-product = pkgs.runCommandNoCC "hydra-product" { } ''
+            cp -rs ${defaultPackage} $out
+            chmod +w $out
+            mkdir -p $out/nix-support
+            echo "app app $out" >> $out/nix-support/hydra-build-products
+          '';
         }
         else { };
     });