データベースへの接続でエラーが発生しました。
PDOException: PDO::__construct(): php_network_getaddresses: getaddrinfo for db.cikepj6dmmqv.ap-northeast-1.rds.amazonaws.com failed: Temporary failure in name resolution in /var/www/html/wordpress/make/lib/db_start.php:8
Stack trace:
#0 /var/www/html/wordpress/make/lib/db_start.php(8): PDO->__construct()
#1 /var/www/html/wordpress/ranking/_list.php(14): include('...')
#2 {main}

Next PDOException: SQLSTATE[HY000] [2002] php_network_getaddresses: getaddrinfo for db.cikepj6dmmqv.ap-northeast-1.rds.amazonaws.com failed: Temporary failure in name resolution in /var/www/html/wordpress/make/lib/db_start.php:8
Stack trace:
#0 /var/www/html/wordpress/make/lib/db_start.php(8): PDO->__construct()
#1 /var/www/html/wordpress/ranking/_list.php(14): include('...')
#2 {main}