Fatal error: Uncaught mysqli_sql_exception: No route to host in /var/www/html/blog/wp-includes/wp-db.php:1614
Stack trace:
#0 /var/www/html/blog/wp-includes/wp-db.php(1614): mysqli_real_connect()
#1 /var/www/html/blog/wp-includes/wp-db.php(639): wpdb->db_connect()
#2 /var/www/html/blog/wp-includes/load.php(435): wpdb->__construct()
#3 /var/www/html/blog/wp-settings.php(109): require_wp_db()
#4 /var/www/html/blog/wp-config.php(82): require_once('...')
#5 /var/www/html/blog/wp-load.php(37): require_once('...')
#6 /var/www/html/blog/wp-blog-header.php(13): require_once('...')
#7 /var/www/html/blog/index.php(17): require('...')
#8 {main}
thrown in /var/www/html/blog/wp-includes/wp-db.php on line 1614