Fatal error: Uncaught mysqli_sql_exception: Connection refused in /var/www/html/BaseDeConhecimentos/db_conne.php:7 Stack trace: #0 /var/www/html/BaseDeConhecimentos/db_conne.php(7): mysqli->__construct('172.17.0.4', 'mr', Object(SensitiveParameterValue), 'todo') #1 /var/www/html/BaseDeConhecimentos/login/login.php(3): include_once('/var/www/html/B...') #2 {main} thrown in /var/www/html/BaseDeConhecimentos/db_conne.php on line 7