why no "fastcgi.conf" file in /etc/nginx?

[bi-kai]

docker-nginx/mainline/alpine-perl/nginx.vh.default.conf

Line 35 in baa050d

# include fastcgi_params;

why there has no "fastcgi.conf" file in /etc/nginx?
I can find it in original nginx-1.15.8.tar.gz, but it's not in nginx docker image.

[pesochek]

I see it there:

docker run -it --rm nginx:alpine-perl ls /etc/nginx
Unable to find image 'nginx:alpine-perl' locally
alpine-perl: Pulling from library/nginx
cd784148e348: Already exists
9c0104c544ce: Pull complete
ad58d30ad30e: Pull complete
735f9c5a5420: Pull complete
Digest: sha256:bf2ee867141bb009994a6785f271cb2aeac213c6a792ea3161a7a5ce67dc61a0
Status: Downloaded newer image for nginx:alpine-perl
conf.d koi-win scgi_params
fastcgi.conf mime.types scgi_params.default
fastcgi.conf.default mime.types.default uwsgi_params
fastcgi_params modules uwsgi_params.default
fastcgi_params.default nginx.conf win-utf
koi-utf nginx.conf.default

[thresheek]

Use fastcgi_params if you're using debian-based image.

[davordragic]

When I compare fastcgi_params and fastcgi.conf in Alpine image, there are differences.
And when using fastcgi_params with nginx.conf from Pimcore 6.9 (https://pimcore.com/docs/pimcore/6.9/Development_Documentation/Installation_and_Upgrade/System_Setup_and_Hosting/Nginx_Configuration.html) I does not work, because of missing
fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;

In the end, this is solution to make it work or use alpine image

I cannot figure out why in clean debian mashine, file is not installed

while on clean centos8 mashine, file comes by default

Is there any good explanaion?