diff --git a/hosts/test-vm/configuration.nix b/hosts/test-vm/configuration.nix
index e094aee..8297895 100644
--- a/hosts/test-vm/configuration.nix
+++ b/hosts/test-vm/configuration.nix
@@ -36,6 +36,8 @@
     # Resize terminal to host terminal size
     environment.loginShellInit = ''
       ${pkgs.xterm}/bin/resize
+
+      echo alias 'sd' can be used to shutdown the VM
     '';
 
     environment.interactiveShellInit = ''
diff --git a/hosts/test-vm/whib-backend.nix b/hosts/test-vm/whib-backend.nix
index 7d0e86f..18479d4 100644
--- a/hosts/test-vm/whib-backend.nix
+++ b/hosts/test-vm/whib-backend.nix
@@ -1,4 +1,5 @@
 {
+  pkgs,
   lib,
   config,
   ...
@@ -14,6 +15,8 @@ in
   };
 
   config = lib.mkIf enabled {
+    environment.systemPackages = [ pkgs.gnupg ];
+
     services.whib-backend = {
       enable = true;
       domain = "whib-backend.local";
@@ -24,6 +27,10 @@ in
 
       postgres = {
         password = "postgrespassword";
+
+        backup = {
+          gpgPassphraseFile = ./whib-gpgPassfile;
+        };
       };
     };
 
diff --git a/hosts/test-vm/whib-gpgPassfile b/hosts/test-vm/whib-gpgPassfile
new file mode 100644
index 0000000..49fbc05
--- /dev/null
+++ b/hosts/test-vm/whib-gpgPassfile
@@ -0,0 +1 @@
+abc123
\ No newline at end of file