Warning: Undefined variable $root in /app/includes/connection.php on line 7

Warning: Undefined variable $hms_db in /app/includes/connection.php on line 7

Warning: mysqli_connect(): php_network_getaddresses: getaddrinfo for mysql failed: Name or service not known in /app/includes/connection.php on line 7

Fatal error: Uncaught mysqli_sql_exception: php_network_getaddresses: getaddrinfo for mysql failed: Name or service not known in /app/includes/connection.php:7 Stack trace: #0 /app/includes/connection.php(7): mysqli_connect('mysql', 'root', Object(SensitiveParameterValue), NULL) #1 /app/index.php(5): require_once('/app/includes/c...') #2 {main} thrown in /app/includes/connection.php on line 7