Warning: mysqli_connect(): php_network_getaddresses: getaddrinfo failed: Name or service not known in /var/www/html/helpers/conexion.php on line 12

Warning: mysqli_connect(): (HY000/2002): php_network_getaddresses: getaddrinfo failed: Name or service not known in /var/www/html/helpers/conexion.php on line 12

Fatal error: Uncaught TypeError: mysqli_query(): Argument #1 ($mysql) must be of type mysqli, bool given in /var/www/html/helpers/conexion.php:20 Stack trace: #0 /var/www/html/helpers/conexion.php(20): mysqli_query(false, 'SET NAMES "utf8...') #1 /var/www/html/index.php(3): require_once('/var/www/html/h...') #2 {main} thrown in /var/www/html/helpers/conexion.php on line 20