- system 'optipng', '-o7', '-zm1-9', 'static/logos.png';
+ system 'pngnq-s9', '-s1', 'static/logos.png';
+ system 'optipng', '-o7', '-zm1-9', 'static/logos-nq8.png';
+ rename 'static/logos-nq8.png', 'static/logos.png';
+}
+
+sub gzip_file {
+ my ($file) = @_;
+ gzip $file => "$file.gz", -Level => 9, Minimal => 1;