Why is wordpress not installing?

Question

PHP

Wordpress is not installed, more precisely, it is installed, the wp_config.php file is created, the admin panel works, but the main page does not work, it always throws again on the "/wp-admin/setup-config.php" installation.
A 404 page is issued, separately created pages are also opened, i.e. if url is not empty.
Changed MySQL users, to root too, cleaned the database for the site. I gave all files in the directory 777 permissions and nothing changes

Answer 1

After numerous attempts to rewrite the nginx config, deleting proxy_temp and restarting nginx, the problems disappeared, what specifically helped - no idea