diff --git a/metadata/service/server/single.yml b/metadata/service/server/single.yml
new file mode 100644
index 0000000..ea49766
--- /dev/null
+++ b/metadata/service/server/single.yml
@@ -0,0 +1,14 @@
+applications:
+- xtrabackup
+parameters:
+  _param:
+    xtrabackup_public_key: ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQCzLUiHKAjfFXiZ3fsgx35uXF6VivfC5WFafu4QMalxmj6W+s277oCfdWA8Du5f1wtQXM73VQ5nHkXhM2UIfUMarsyhXK+BxKVrcgEBNHdKlDytaecUPyuOxTDdGWhN/DPv5/vL8NYWweEYBbNbLgU0Td7Rvm52TUXKThIDjeF7XDxX4ShXWipBSwU4boOUBtR8KWfga8fsqeBN+eacuAQFR3MrrOfVvAuWW6Bsf047cmd+V6Qv0raoW73Nu4M/ZAdTsaR5k62a0cHsSRoi3hCmNRqw+CZaQi8prQU6t26eWPEtznjp5EkPF+LLh8LxUoCfWqWT+Lxe8QQwT1nx/LCN
+  xtrabackup:
+    server:
+      enabled: true
+      hours_before_full: 48
+      full_backups_to_keep: 5
+      key:
+        xtrabackup_pub_key:
+          enabled: true
+          key: ${_param:xtrabackup_public_key}