My problem is that if I don\'t specify the complete domain in output.publicPath config option; then the url don\'t load properly (at least fonts).
My webpack config:
Found it. Thanks to @diunarlist on webpack's gitter.
It's because i was using sourceMap with style-loader. Check https://github.com/webpack/style-loader/issues/55
With source-maps, style loader uses a Blob, so it requires absolute urls to work.
Without source-maps it uses an inline style tag, so there is no problem.