Make use of group var as a directory

README.md

 ##Ansible Best Practises
-Problem that is being addressed is to complexity of the ansible projects, soon as the project starts grow. Organization of the code in this repository shows how it is possible solve following issues:
-
-* How to manage external roles
-* Usage of variables
-* Naming 
-* Staging
-* Complexity of plays
-
-
-
+Problem that is being addressed is to complexity of the ansible projects, soon as the project starts grow. Organization of the code in this repository shows how it is possible solve following issues:
+
+* How to manage external roles
+* Usage of variables
+* Naming 
+* Staging
+* Complexity of plays
+
+
+
 
 ##Directory Layout
 
@@ -18,8 +18,11 @@ Problem that is being addressed is to complexity of the ansible projects, soon a
     
     group_vars/
         all                   # variables under this directory belongs all the groups
+            common.yml        # Common role variable file
         webservers            # here we assign variables to webservers groups
+            nginx.yml         # Each file will corspond to a role i.e. nginx
         postgresql            # here we assign variables to postgresql groups
+            postgresql.yml    # Each file will corspond to a role i.e. postgresql
     plays
         ansible.cfg           # Ansible.cfg file that holds all ansible config
         webservers.yml        # playbook for webserver tier