Add goatcounter.

common/services/goatcounter.nix

@@ -0,0 +1,45 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}: let
+  inherit (lib) mkEnableOption mkIf mkOption;
+
+  cfg = config.foehammer.services.goatcounter;
+in {
+  options.foehammer.services.goatcounter = {
+    enable = mkEnableOption "Enable goatcounter server";
+
+    port = mkOption {
+      type = lib.types.port;
+      default = 8223;
+      description = ''
+        What external port to serve over.
+      '';
+    };
+  };
+
+  config = mkIf cfg.enable {
+    users.users.goatcounter = {
+      isSystemUser = true;
+      createHome = true;
+      group = "goatcounter";
+    };
+    users.groups.goatcounter = {};
+
+    systemd.services.goatcounter = {
+      serviceConfig = {
+        User = "goatcounter";
+        DynamicUser = lib.mkForce false;
+      };
+    };
+
+    services.goatcounter = {
+      enable = true;
+      proxy = true;
+      address = "0.0.0.0";
+      port = cfg.port;
+    };
+  };
+}