diff --git a/service.nix b/service.nix
new file mode 100644
index 0000000..6ac62f8
--- /dev/null
+++ b/service.nix
@@ -0,0 +1,51 @@
+{ pkgs, ... }:
+let
+  src = ./.;
+in {
+  users.users.gc-of-borg = {
+    description = "GC Of Borg Workers";
+    home = "/var/lib/gc-of-borg";
+    createHome = true;
+    group = "gc-of-borg";
+    uid = 402;
+  };
+  users.groups.gc-of-borg.gid = 402;
+
+  systemd.services = {
+    "grahamcofborg-builder" = {
+      enable = true;
+      after = [ "network.target" "network-online.target" ];
+      wants = [ "network-online.target" ];
+      wantedBy = [ "multi-user.target" ];
+
+      path = with pkgs; [
+        nix
+        git
+        php
+        curl
+        bash
+      ];
+
+      serviceConfig = {
+        User = "gc-of-borg";
+        Group = "gc-of-borg";
+        PrivateTmp = true;
+        WorkingDirectory = "/var/lib/gc-of-borg";
+        Restart = "always";
+      };
+
+      preStart = ''
+        mkdir -p ./.nix-test
+      '';
+
+      script = ''
+        export HOME=/var/lib/gc-of-borg;
+        export NIX_REMOTE=daemon;
+        export NIX_PATH=nixpkgs=/run/current-system/nixpkgs;
+        git config --global user.email "graham+cofborg@grahamc.com"
+        git config --global user.name "GrahamCOfBorg"
+        php ${src}/builder.php
+      '';
+    };
+  };
+}