Create Mono systemd service

modules/webstack.nix

@@ -96,4 +96,26 @@
       host    all             all             ::1/128                 trust
     '';
   };
+
+  # Run Mono server
+  systemd.services.mono-server = {
+    description = "Mono server to run ASP .NET applications";
+    wantedBy = [ "default.target" ];
+    path = with pkgs; [ mono6 ];
+    script = ''
+      lockfile=/tmp/mono-service
+      ${pkgs.mono6}/bin/mono-service -d:/vault/backups/frontend/inetpub/wwwroot/gcw -l:$lockfile
+      ${pkgs.mono6}/bin/mono-service -d:/vault/backups/frontend/inetpub/wwwroot/few -l:$lockfile
+    '';
+    serviceConfig = {
+      Type = "oneshot";
+      RemainAfterExit = "yes";
+      User = "nginx";
+      Group = "nginx";
+      ExecStop = ''
+        kill `cat $lockfile`
+      '';
+    };
+    before = [ "nginx.service" ];
+  };
 }