diff --git a/flake.nix b/flake.nix
index 0adcd04..c88c4c8 100644
--- a/flake.nix
+++ b/flake.nix
@@ -179,19 +179,15 @@
           dotnet-sdk = pkgs.dotnetCorePackages.sdk_8_0;
           dotnet-runtime = pkgs.dotnetCorePackages.aspnetcore_8_0;
         };
-        
+
         yonge-street = pkgs.writeShellApplication {
-                           name = "yong-street";
-                           runtimeInputs = [ ];
-                           text = ''
-                             cd ${web-server}/lib/YongeStreet
-                             pwd
-                             export PREPROCESSED_DUCKDB_FILE="${processed-duckdb-file}"
-                             ${web-server}/bin/YongeStreet
-                           '';
+          name = "yong-street";
+          runtimeInputs = [ ];
+          text = ''
+            cd ${web-server}/lib/YongeStreet
+            exec ${web-server}/bin/YongeStreet --urls http://0.0.0.0:$PORT
+          '';
         };
-        
-        
 
         python-virtual-env = pkgs.python312.withPackages (ps: [
           ps.matplotlib
@@ -229,5 +225,38 @@
             nuget-to-nix
           ];
         };
+        nixosModules = { config, lib, ... }: {
+          options.services.all-dressed-programming.yonge-street = {
+            enable = lib.mkEnableOption "enable YongeStreet server";
+            port = lib.mkOption {
+              type = lib.types.int;
+              default = 9876;
+              description = "The tcp port the YongeStreet will serve on.";
+            };
+          };
+          #  options.services.all-dressed-programming.yonge-street
+          config = lib.mkIf
+            config.services.all-dressed-programming.yonge-street.enable {
+              users.groups.yonge-street = { };
+
+              users.users.yonge-street = {
+                createHome = false;
+                isSystemUser = true;
+                group = "yonge-street";
+              };
+
+              systemd.services.yonge-street = {
+                wantedBy = [ "multi-user.target" ];
+                environment.DOTNET_HTTP_PORTS = (builtins.toString
+                  config.services.all-dressed-programming.yonge-street.port);
+                serviceConfig = {
+                  User = "yonge-street";
+                  Group = "yonge-street";
+                  Restart = "always";
+                  ExecStart = "${yonge-street}/bin/yonge-street";
+                };
+              };
+            };
+        };
       });
 }