Update docker service configuration.

services/docker.nix

@@ -4,7 +4,11 @@
 with lib;
 
 mkIf (elem "docker" config.machine.services) {
-  virtualisation.docker.enable = true;
+  virtualisation.docker= {
+    enable = true;
+    # Disable live restore as it tends to delay/block system shutdown
+    liveRestore = false;
+  };
   environment.systemPackages = with pkgs; [ docker-compose docker-machine ];
   ### Docker Image stuff will probably follow here
 }