diff --git a/docker/ops.go b/docker/ops.go
index cb25dc8..d8cc514 100644
--- a/docker/ops.go
+++ b/docker/ops.go
@@ -65,6 +65,7 @@ func generate_sbom(message *babashka.Message, image string, username string, pas
 					babashka.WriteErrorResponse(message, err)
 				}
 			} else {
+				tx_channel = nil
 				break
 			}
 		}
@@ -135,7 +136,7 @@ func ProcessMessage(message *babashka.Message) (any, error) {
                  :error   (fn [{:keys [:ex-message :ex-data]}]
                             (binding [*out* *err*]
                               (println "ERROR:" ex-message)))
-		 :done    (fn [] (println "Done callback"))}})))`,
+		 :done    (fn [] (cb "done"))}})))`,
 						},
 						{
 							Name: "hashes",
diff --git a/flake.nix b/flake.nix
index 603f1d1..d9c835e 100644
--- a/flake.nix
+++ b/flake.nix
@@ -24,14 +24,14 @@
       in
       {
         devShells.default = pkgs.devshell.mkShell {
-          packages = with pkgs; [ go gotools golangci-lint gopls gopkgs go-outline gomod2nix.packages.${system}.default ];
+          packages = with pkgs; [ go gotools golangci-lint gopls gopkgs go-outline gomod2nix.packages.${system}.default clojure clojure-lsp temurin-bin neovim];
           commands = [
             {
               name = "update-gomod2nix";
               help = "update gomod2nix.toml";
               command = "gomod2nix";
             }
-	  ];
+          ];
         };
         packages = rec {
           default = pkgs.buildGoApplication {