DockerWordpress_improvements/myadmin/nginx_site_config.conf

server
{
    server_name nombre.servidor.com;
    location /phpmyadmin/
             {
             proxy_pass      http://192.168.1.91:8008/; # phpmyadmin container exposed port. Trailing / is very important
             proxy_buffering off;
             proxy_set_header   Host $host;
             proxy_set_header   X-Real-IP $remote_addr;
             proxy_set_header   X-Forwarded-For $proxy_add_x_forwarded_for;
             proxy_set_header X-Forwarded-Host $server_name;
             proxy_set_header X-Forwarded-Proto https;
             }
	location /
             {
             proxy_pass      http://192.168.1.91:8009; # WP container exposed port
             proxy_buffering off;
             proxy_set_header   Host $host;
             proxy_set_header   X-Real-IP $remote_addr;
             proxy_set_header   X-Forwarded-For $proxy_add_x_forwarded_for;
             proxy_set_header X-Forwarded-Host $server_name;
             proxy_set_header X-Forwarded-Proto https;
             }
}