feat: use a host attribute to make the config less verbose/complex

machines/gir.nix

@@ -18,7 +18,10 @@ Notes:
   name = "gir";
   ip_pub = "193.1.99.76";
   hostname = "${name}.skynet.ie";
-  #hostname  = ip_pub;
+  host = {
+    ip = ip_pub;
+    name = name;
+  };
 in {
   imports = [
     ../applications/email.nix
@@ -48,19 +51,13 @@ in {
   ];
 
   services.skynet.backup = {
-    host = {
-      ip = ip_pub;
-      name = name;
-    };
+    host = host;
   };
 
   # we use this to pass in teh relevent infomation to the
   services.skynet_email = {
     enable = true;
-    host = {
-      ip = ip_pub;
-      name = name;
-    };
+    host = host;
     domain = "skynet.ie";
   };
 }