Warning: mysql_connect(): php_network_getaddresses: getaddrinfo failed: Name or service not known in /home/usafireworks/public_html/includes/database.php on line 3

Warning: mysql_connect(): php_network_getaddresses: getaddrinfo failed: Name or service not known in /home/usafireworks/public_html/includes/database.php on line 3
I cannot connect to the database because: php_network_getaddresses: getaddrinfo failed: Name or service not known