linode builds both image and host

hosts/vps/hardware-configuration.nix

@@ -1,5 +1,6 @@
 {
   lib,
+  config,
   modulesPath,
   ...
 }:
@@ -33,11 +34,17 @@
     };
   };
   fileSystems."/" = {
-    device = "/dev/disk/by-uuid/f222513b-ded1-49fa-b591-20ce86a2fe7f";
+    device = lib.mkForce (
+      if config.my.build.baseImage then
+        "/dev/sda"
+      else
+        "/dev/disk/by-uuid/f222513b-ded1-49fa-b591-20ce86a2fe7f"
+    );
     fsType = "ext4";
   };
-  swapDevices = [
-    { device = "/dev/disk/by-uuid/f1408ea6-59a0-11ed-bc9d-525400000001"; }
+  swapDevices = lib.mkMerge [
+    [ { device = "/dev/disk/by-uuid/f1408ea6-59a0-11ed-bc9d-525400000001"; } ]
+    (lib.mkIf config.my.build.baseImage [ { device = "/dev/sdb"; } ])
   ];
   nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
 }