Only compressed version of file on server , and supporting clients that don't send Accept-Encoding.

[Hemant Bist]

Thanks, it worked like a charm!
The lua script that handled 404 logic worked without any changes with
error_page.
There were some other add_header cofiguration, they also worked fine with
it...
HB


On Thu, Mar 22, 2018 at 5:38 PM, Maxim Dounin <mdounin at mdounin.ru> wrote:

> Hello!
>
> On Thu, Mar 22, 2018 at 05:00:20PM -0700, Hemant Bist wrote:
>
> > Hi,
> > We have only gzipped files stored on nginx and need to serve client that
> :
> > A) Support gzip transfer encoding (> 99% of the clients). They send
> > Accept-Encoding: gzip header...
> > B) < 1% of the clients that don't support transfer encoding. The don't
> send
> > Accept-Encoding header.
> >
> > There is ample CPU in the nginx servers to support clients of type B).
> But
> > I am unable to figure out a config/reasonable script
> > to help us serve these clients.
> >
> > Clients of type A) are served with the following config.
> > --- Working config that appends .gz in the try_files ----
> >     location /compressed_files/ {
> >         add_header Content-Encoding "gzip";
> >         expires    48h;
> >         add_header Cache-Control private;
> >         try_files $uri.gz @lua_script_for_missing_file;
> >     }
> >
> >
> > ----- Not working  config  with gunzip on; likely because gunzip filter
> > runs before add_header?
> >
> >     location /compressed_files/ {
> >         add_header Content-Encoding "gzip";
> >
> >         expires    48h;
> >         add_header Cache-Control private;
> > *# gunzip on fails to uncompress likely because it does not notice the
> > add_header directive.*
> > *        gunzip on;*
> > *        gzip_proxied any;*
> >         try_files $uri.gz @lua_script_for_missing_file;
> >     }
> >
> >
> > I would appreciate any pointers on how to do this. I may be missing some
> > obvious configuration for such case.
> > We did discuss keeping both unzipped and zipped version on the server,
> but
> > unfortunately that is unlikely to happen.
>
> Try this instead:
>
>     location /compressed_files/ {
>         gzip_static always;
>         gunzip on;
>     }
>
> See documentation here for additional details:
>
> http://nginx.org/r/gzip_static
> http://nginx.org/r/gunzip
>
> Note that you wan't be able to combine this with "try_files
> $uri.gz ...", as this will change URI as seen by gzip_static and
> will break it.  If you want to fall back to a different location
> when there is no file, use "error_page 404 ..." instead.
>
> --
> Maxim Dounin
> http://mdounin.ru/
> _______________________________________________
> nginx mailing list
> nginx at nginx.org
> http://mailman.nginx.org/mailman/listinfo/nginx
>
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