From https://stackoverflow.com/a/68314973:
> Increasing the fastcgi_buffer_size in nginx config helped, but it
seems more like a suppression the problem, not a treatment.
> A better solution is to disable php-fpm to send logs by FastCGI. Found
it can be made by setting fastcgi.logging=0 in php.ini (by default it is
1). php docs.
> After changing it to 0, the problem goes away and nginx logs looks much
cleaner docker logs nginx:
Fixes: #463
Oliver Davies