diff --git a/defaults/postgresql/init.yml b/defaults/postgresql/init.yml
new file mode 100644
index 0000000..e0d3de1
--- /dev/null
+++ b/defaults/postgresql/init.yml
@@ -0,0 +1,9 @@
+parameters:
+  _param:
+    postgresql_server: localhost
+    postgresql_exposed_port: 5432
+    postgresql_admin_user: postgres
+    postgresql_glusterfs_volume_name: postgresql-data
+    postgresql_data_mountpoint: /var/lib/postgresql/data
+    postgresql_data_directory: ${_param:postgresql_data_mountpoint}/pgdata
+