Tks its work, but now i have another problem. when i try access phpmyadmin.subdomain.domain.com not worked, is redirected to my main page.

`server { listen 80; listen [::]:80; (...)

when i run sudo nginx -t appears the following error

nginx: [emerg] open() "/etc/nginx/snippets/fastcgi-php.conf" failed (2: No such file or directory) in /etc/nginx/conf.d/phpmyadmin.conf:23 nginx: (...)