Fatal error: Uncaught mysqli_sql_exception: php_network_getaddresses: getaddrinfo for mysql failed: Try again in /opt/metapost/connection.php:15 Stack trace: #0 /opt/metapost/connection.php(15): mysqli->__construct('mysql', 'metapost_user', Object(SensitiveParameterValue), 'metapost') #1 /opt/metapost/head.php(46): include_once('/opt/metapost/c...') #2 /opt/metapost/index.php(21): include_once('/opt/metapost/h...') #3 {main} thrown in /opt/metapost/connection.php on line 15