Fatal error: Uncaught RuntimeException: Missing database environment variables: DB_HOST, DB_NAME, DB_USER in /var/task/user/config/db_config.php:31
Stack trace:
#0 /var/task/user/src/models/Database.php(7): Database->__construct()
#1 /var/task/user/public/candidates.php(6): DatabaseModel->__construct()
#2 {main}
thrown in /var/task/user/config/db_config.php on line 31
