diff --git a/defaults/main.yml b/defaults/main.yml
new file mode 100644
index 0000000..df71904
--- /dev/null
+++ b/defaults/main.yml
@@ -0,0 +1,11 @@
+---
+# postgresql defaults/main.yml
+#
+# SPDX-FileCopyrightText: © 2020 Open Networking Foundation <support@opennetworking.org>
+# SPDX-License-Identifier: Apache-2.0
+
+pgsql_version: 12
+
+pgsql_users: []
+
+pgsql_databases: []