Fatal error: Uncaught mysqli_sql_exception: php_network_getaddresses: getaddrinfo for k8s-mariadb failed: Name or service not known in /var/www/html/system/database/drivers/mysqli/mysqli_driver.php:75 Stack trace: #0 /var/www/html/system/database/drivers/mysqli/mysqli_driver.php(75): mysqli_connect('k8s-mariadb', 'semigator', Object(SensitiveParameterValue), 'semigator_core') #1 /var/www/html/system/database/DB_driver.php(125): CI_DB_mysqli_driver->db_connect() #2 /var/www/html/system/database/DB.php(151): CI_DB_driver->initialize() #3 /var/www/html/system/application/libraries/Loader.php(253): DB(Array, false, false, '') #4 /var/www/html/system/application/libraries/Loader.php(1080): CI_Loader->database() #5 /var/www/html/system/libraries/Controller.php(79): CI_Loader->_ci_autoloader() #6 /var/www/html/system/libraries/Controller.php(43): Controller->_ci_initialize() #7 /var/www/html/system/application/libraries/SGTR_Controller.php(71): Controller->__construct() #8 /var/www/html/system/application/controllers/veranstaltung_api.php(44): SGTR_Controller->__construct() #9 /var/www/html/system/codeigniter/CodeIgniter.php(204): Veranstaltung_api->__construct() #10 /var/www/html/index.php(212): require_once('/var/www/html/s...') #11 {main} thrown in /var/www/html/system/database/drivers/mysqli/mysqli_driver.php on line 75