Fatal error: Uncaught mysqli_sql_exception: Connection refused in /var/www/app/Infrastructure/Db.php:14 Stack trace: #0 /var/www/app/Infrastructure/Db.php(14): mysqli_connect('db', 'samples-shop', Object(SensitiveParameterValue), 'samples-shop') #1 /var/www/app/Http/Page.php(197): db->__construct() #2 /var/www/app/Http/Page.php(43): Page->init() #3 /var/www/app/Http/PublicEntrypoint.php(30): Page->__construct() #4 /var/www/html/index.php(6): PublicEntrypoint::run('index') #5 {main} thrown in /var/www/app/Infrastructure/Db.php on line 14