[dancer-users] Setting static files to 304 - Not modified

[Matt Mallard]

Hi Olaf,

Thanks for the suggestion.  It works using rewrite rules - mostly copied 
from the CGI examples.  I was thinking everything had to run through 
mod_perl/plack if using that method.  Here's the config for anyone else 
using this method:

     PerlSetupEnv On
     SetEnv DANCER_ENVIRONMENT "production"
     SetEnvIf User-Agent ".*MSIE.*" \
         nokeepalive ssl-unclean-shutdown \
         downgrade-1.0 force-response-1.0

     Alias /public /websites/testing/public

     <Directory "/websites/testing/public">
        AllowOverride None
        Order allow,deny
        Allow from all
     </Directory>

     RewriteEngine On
     RewriteRule ^/images/(.*)$ /public/images/$1 [L]
     RewriteRule ^/css/(.*)$ /public/css/$1 [L]
     RewriteRule ^/javascripts/(.*)$ /public/javascripts/$1 [L]
     RewriteRule ^/(google.*html)$ /public/$1 [L]

  <Location />
    SetHandler perl-script
    PerlHandler Plack::Handler::Apache2
    PerlSetVar psgi_app /websites/testing/bin/app.pl
  </Location>

  <Perl>
     use lib "/usr/local/perl/lib/perl5/x86_64-linux-thread-multi";
     use lib "/usr/local/perl/lib/perl5";
     use lib "/websites/testing/lib";
  </Perl>

To whom maintains the perldoc: it might be worth adding this to the 
Plack on Apache Deployment option.

PS - I could not get Dancer2 to recognise production until I set 
'PerlSetupEnv On'.

Regards,
Matthew

On 3/12/13 2:34 PM, Olaf Alders wrote:
> On 2013-12-02, at 10:24 PM, Matt Mallard wrote:
>
>> Hi,
>>
>> I've using Dancer2 with Plack/mod_perl with Apache (I was previously using Dancer with CGI, but can't get CGF or FCGI to work with Dancer2).
>>
>> How to I set my static files to report '304 - Not modified' to the browser?  When I use Firebug to look at all the file load times and turn browser caching on, all the files from CDNs report '304 - Not modified', but all those served through Dancer report as '200' and hence are transferred each time.  This is fine for the dynamic pages, but unnecessary for the static files (logos, css, javascripts).
>
> Hi Matt,
>
> If you're using Apache, there's no reason to have Dancer serve your static files.  You'll get better performance if you let Apache just serve the static content directly.  You may want to have a look at http://httpd.apache.org/docs/2.2/mod/mod_expires.html and "A Brief Guide to Conditional Requests" in http://httpd.apache.org/docs/2.2/caching.html
>
> Best,
>
> Olaf
> --
> Olaf Alders
> olaf at wundersolutions.com
>
> http://www.wundersolutions.com
> http://twitter.com/wundercounter
>
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