too lazy to think of a message, so enjoy this pointless text. Good luck future me...

nix/modules/customer-portal/flake-module.nix

@@ -77,6 +77,8 @@
       };
 
       config = mkIf cfg.enable {
+        environment.systemPackages = with pkgs; [ bun ];
+
         systemd = {
           services.amarthCustomerPortal = {
             after = [ "network.target" ];