diff --git a/machines/neptune/configuration.nix b/machines/neptune/configuration.nix
new file mode 100644
index 0000000..3b14865
--- /dev/null
+++ b/machines/neptune/configuration.nix
@@ -0,0 +1,22 @@
+{ inputs, config, ... }:
+{
+  imports = [
+    (inputs.import-tree ./services)
+  ];
+  nixpkgs.hostPlatform = {
+    system = "x86_64-linux";
+  };
+  boot.loader.grub.devices = [ "/dev/disk/by-id/FIXME" ];
+  fileSystems = {
+    "/".device = "/dev/FIXME";
+  };
+  networking.fqdn = "b4l.co.th";
+  system.stateVersion = "25.11";
+  clan.core.sops.defaultGroups = [ "admins" ];
+
+  security.acme.defaults.email = "admin@b4l.co.th";
+  security.acme.acceptTerms = true;
+  services.nginx.virtualHosts."${config.networking.fqdn}" = {
+    enableACME = true;
+  };
+}