Internal Server Error/var/www/html/cnns.php:5<br/>message: Uncaught mysqli_sql_exception: php_network_getaddresses: getaddrinfo for db failed: Temporary failure in name resolution in /var/www/html/cnns.php:5
Stack trace:
#0 /var/www/html/cnns.php(5): mysqli->__construct('db:3306', 'root', 'xslR6VD9hVTE0M5...', 'backtole_waliom...')
#1 /var/www/html/vars.php(36): include('/var/www/html/c...')
#2 /var/www/html/index.php(23): include('/var/www/html/v...')
#3 {main}
  thrown