How to configure database in app/config/parameters.yml?

[kniziol]

Which values enter in app/config/parameters.yml for these parameters?

parameters:
    database_driver:                pdo_mysql
    database_host:                  127.0.0.1
    database_port:                  ~
    database_name:                  symfony
    database_user:                  root
    database_password:              ~