Warning: mysqli_connect(): php_network_getaddresses: getaddrinfo for db failed: Try again in /var/www/bigbang1112/eu/data/nc/blocks.php on line 4

Fatal error: Uncaught mysqli_sql_exception: php_network_getaddresses: getaddrinfo for db failed: Try again in /var/www/bigbang1112/eu/data/nc/blocks.php:4 Stack trace: #0 /var/www/bigbang1112/eu/data/nc/blocks.php(4): mysqli_connect('db', 'service_ov0t', Object(SensitiveParameterValue), 'bb_ov0t') #1 {main} thrown in /var/www/bigbang1112/eu/data/nc/blocks.php on line 4