Allow grocy through the firewall
diff --git a/src/apps/system/grocy.nix b/src/apps/system/grocy.nix
index 14b9848..44c92a2 100644
--- a/src/apps/system/grocy.nix
+++ b/src/apps/system/grocy.nix
@@ -15,4 +15,6 @@
     dataDir = "/var/lib/grocy";
     nginx.enableSSL = false; # must be false as we are hosting locally
   };
+
+  networking.firewall.allowedTCPPorts = [ 80 ];
 }