[development : production]
phpSettings.display_startup_errors = 1
phpSettings.display_errors = 1
resources.frontController.params.displayExceptions = 1
resources.db.adapter = PDO_MYSQL
resources.db.params.hostname = mysql03.dteruel.com.br
resources.db.params.username = dteruel2
resources.db.params.password = xxxxx
resources.db.params.dbname = dteruel2

Erro retornado
Message: SQLSTATE[HY000] [2002] Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2)

Erro retornado ao inves de hostname usando IP

resources.db.params.hostname = 187.45.196.148

Message: SQLSTATE[28000] [1045] Access denied for user 'dteruel2'@'localhost' (using password: YES)