root@toor:~# nginx -t
nginx: [emerg] "fastcgi_busy_buffers_size" must be less than the size of all "fa stcgi_buffers" minus one buffer in /etc/nginx/nginx.conf:148
nginx: configuration file /etc/nginx/nginx.conf test failed
148? It’s only }
there’s also this one in php7.4 error.log
[13-Jun-2020 15:27:50] WARNING: [pool domain.com] server reached max_children setting (8), consider raising it
Please if it’s possible in the next version add nextcloud template, it’s way popular than owncloud 