C9 codeigniter database

$db['c9']['hostname'] = getenv('IP');
$db['c9']['username'] = getenv('C9_USER');
$db['c9']['password'] = '';
$db['c9']['database'] = 'c9';
$db['c9']['dbdriver'] = 'mysql';
$db['c9']['dbprefix'] = '';
$db['c9']['pconnect'] = TRUE;
$db['c9']['db_debug'] = TRUE;
$db['c9']['cache_on'] = FALSE;
$db['c9']['cachedir'] = '';
$db['c9']['char_set'] = 'utf8';
$db['c9']['dbcollat'] = 'utf8_general_ci';
$db['c9']['swap_pre'] = '';
$db['c9']['autoinit'] = TRUE;
$db['c9']['stricton'] = FALSE;