Fatal error: Uncaught PDOException: SQLSTATE[HY000] [2002] Connection refused in /var/www/html/article.php:8 Stack trace: #0 /var/www/html/article.php(8): PDO->__construct('mysql:host=db;d...', 'letendard_user', 'pEO$ByVTUEkBZ2&...', Array) #1 {main} thrown in /var/www/html/article.php on line 8