Better debugging info.

bikeshop_project/webpack.dev.config.js

@@ -15,6 +15,8 @@ config.entry = [
 // override django's STATIC_URL for webpack bundles
 config.output.publicPath = 'http://webpack.docker:3000/assets/bundles/'
 
+config.devtool = 'eval-source-map';
+
 // Add HotModuleReplacementPlugin and BundleTracker plugins
 config.plugins = config.plugins.concat([
     new webpack.HotModuleReplacementPlugin(),