diff --git a/testvm.scm b/testvm.scm
new file mode 100644
index 0000000..e054d61
--- /dev/null
+++ b/testvm.scm
@@ -0,0 +1,23 @@
+(use-modules (ryan-config base-system))
+
+(operating-system
+  (inherit base-operating-system)
+  (host-name "GuixVM")
+  (mapped-devices (list (mapped-device
+                          (source (uuid
+                                   "0b98fe74-ed99-424e-b7d7-514284190528"))
+                          (target "sysroot")
+                          (type luks-device-mapping))))
+  (file-systems (cons* (file-system
+                         (mount-point "/")
+                         (device "/dev/mapper/sysroot")
+                         (type "ext4")
+                         (dependencies mapped-devices))
+                       (file-system
+                         (mount-point "/boot/efi")
+                         (device (uuid "74F2-CFDC"
+                                       'fat32))
+                         (type "vfat")) %base-file-systems))
+  (swap-devices
+    (list
+      (swap-space (target (uuid "277a198e-a3bf-4dba-9077-b1a95cb34869"))))))