$ sudo su - postgres
postgres@django:~$ createuser --interactive -P
Enter name of role to add: user
Enter password for new role:
Enter it again:
Shall the new role be a superuser? (y/n) n
Shall the new role be allowed to create databases? (y/n) n
Shall the new role be allowed to create more new roles? (y/n) n
postgres@django:~$
Create DataBase
postgres@django:~$ createdb --owner user database_name
postgres@django:~$ logout