Warning: mysqli::mysqli(): (HY000/2005): Unknown MySQL server host 'dmitryhostdb' (2) in /home/dmitry/public/dcore/core/Db.php on line 18

Warning: mysqli::query(): Couldn't fetch mysqli in /home/dmitry/public/dcore/core/Db.php on line 20

Warning: mysqli::query(): Couldn't fetch mysqli in /home/dmitry/public/dcore/core/Db.php on line 21
Ошибка соединения с базой: Unknown MySQL server host 'dmitryhostdb' (2)