Uncaught PDOException: PDO::__construct(): php_network_getaddresses: getaddrinfo failed: Name or service not known in
<?php$dbhost = $_SERVER['RDS_HOSTNAME'];$dbport = $_SERVER['RDS_PORT'];$dbname = $_SERVER['RDS_DB_NAME'];$dsn = "mysql:host={$dbhost};port={$dbport};dbname={$dbname}";$username = $_SERVER['RDS_USERNAME'];$password = $_SERVER['RDS_PASSWORD'];$dbh = new PDO($dsn, $username, $password);?>You are missing the port. AWS REFERENCE