Minify your CSS file

Minify.pm

package Minify;
use nginx;
use CSS::Minifier::XS;

sub css_handler {
my $r = shift;
my $cache_dir="/tmp";
my $cache_file=$r->uri;
$cache_file=~s!/!_!g;
$cache_file=join("/", $cache_dir, $cache_file);
my $uri=$r->uri;
my $filename=$r->filename;

local $/=undef;

return DECLINED unless -f $filename;

open(INFILE, $filename) or die "Error reading file: $!";
my $css = <INFILE>;
close(INFILE);

open(OUTFILE, '>' . $cache_file) or die "Error writing file: $!";
print OUTFILE CSS::Minifier::XS::minify($css);
close(OUTFILE);

$r->send_http_header('text/css');
$r->sendfile($cache_file);
return OK;
} 
1;