Use PostgreSQL as DataSource in Rundeck by default

Change-Id: Ia92e93502c9564b1a91869292891f9b29a773701
diff --git a/rundeck/server/docker.yml b/rundeck/server/docker.yml
index 3406b6a..1c89f4f 100644
--- a/rundeck/server/docker.yml
+++ b/rundeck/server/docker.yml
@@ -2,6 +2,12 @@
   - service.rundeck.common
   - service.rundeck.server.single
 parameters:
+  _param:
+    rundeck_postgresql_username: rundeck
+    rundeck_postgresql_password: password
+    rundeck_postgresql_database: rundeck
+    rundeck_postgresql_host: ${_param:control_vip_address}
+    rundeck_postgresql_port: 5432
   rundeck:
     server:
       user:
@@ -9,6 +15,13 @@
         gid: 550
       home_dir: /srv/volumes/rundeck
       root_dir: /srv/volumes/rundeck
+      datasource:
+        engine: postgresql
+        host: ${_param:rundeck_postgresql_host}
+        port: ${_param:rundeck_postgresql_port}
+        username: ${_param:rundeck_postgresql_username}
+        password: ${_param:rundeck_postgresql_password}
+        database: ${_param:rundeck_postgresql_database}
       api:
         host: ${_param:haproxy_rundeck_bind_host}
         port: ${_param:haproxy_rundeck_bind_port}