add attic

modules/services/attic.nix

@@ -0,0 +1,29 @@
+{
+  config,
+  lib,
+  ...
+}:
+{
+  options = {
+    myModules.enableAttic = lib.mkOption {
+      type = lib.types.bool;
+      default = false;
+      description = "Enable Attic nix cache service";
+    };
+  };
+
+  config = lib.mkMerge [
+    (lib.mkIf config.myModules.enableAttic {
+      services.atticd = {
+        enable = true;
+        settings = {
+          listen = "[::]:5000";
+          storage = {
+            type = "local";
+            path = "/data/atreus/attic";
+          };
+        };
+      };
+    })
+  ];
+}