Wordpress & pure-ftpd & nginx - how to make them friends?

Question

PHP

In general, I have a server on nginx + php. I installed pure-ftpd and configured permissions on the /usr/share/nginx/site.ru folder
. Now the site.ru site owner has access to the site root. Site.ru uses CMS WordPress.
The matter is that Nginx works from under www-data, and files are loaded by the owner of site.ru through pure-ftpd from under other user. In this connection, Wordpress, when installing plugins and other operations, asks for "Information for connection" where it requires input from FTP.
I can't figure out how to fix this bug? Nginx can only run as a single user, while ftp can run multiple users. Tell me how to be in this case?

Answer 1

php-fpm (poll) run as a separate user for each site