systems: default configuration for all systems

1 files changed, 17 insertions, 0 deletions

diff --git a/modules/systems/nix.nix b/modules/systems/nix.nix
new file mode 100644
index 0000000..4b97121
--- /dev/null
+++ b/modules/systems/nix.nix
@@ -0,0 +1,17 @@
+{ lib, pkgs, ... }:
+
+{
+  nix.extraOptions = ''
+    experimental-features = nix-command
+  '';
+
+  nix.settings = {
+    auto-optimise-store = true;
+    trusted-users = [ "root" "@wheel" ];
+  };
+
+  nix.gc = {
+    automatic = true;
+    options = "--delete-older-than 14d";
+  };
+}