roles/gitlab: task for db run as postgres user

roles/gitlab/tasks/main.yml

@@ -7,11 +7,13 @@
   postgresql_user: 
   postgresql_user: 
     name: gitlab 
     name: gitlab 
     role_attr_flags: CREATEDB
     role_attr_flags: CREATEDB
+  become_user: postgres
 
 
 - name: create db
 - name: create db
   postgresql_db: 
   postgresql_db: 
     name: gitlabhq_production 
     name: gitlabhq_production 
     owner: gitlab
     owner: gitlab
+  become_user: postgres
 
 
 - name: checkout gitlab
 - name: checkout gitlab
   git: 
   git: