Using BUILD_PATH environment variable with webpack

config.js

@@ -1,6 +1,6 @@
 var path = require('path'),
     _ = require('lodash'),
-    buildRoot = process.env.BUILD_PATH || './build',
+    buildRoot = process.env.BUILD_PATH || path.join(__dirname, './build'),
     buildPath = _.bind(path.join, path, buildRoot);
 
 module.exports = {

webpack.config.js

@@ -1,5 +1,6 @@
 var webpack = require('webpack'),
-    bourbon = require('bourbon');
+    bourbon = require('bourbon'),
+    config = require('./config');
 
 module.exports = {
   devtool: 'source-map',
@@ -9,7 +10,7 @@ module.exports = {
     '__discard__/css/svg.css.js': './src/sass/svg.scss'
   },
   output: {
-    path: __dirname + '/build',
+    path: config.buildRoot,
     filename: '[name]'
   },
   plugins: [