PORT env var

Author: mxstbr

demo/webpack.config.dev.js

@@ -10,8 +10,8 @@ var ExtractTextPlugin = require("extract-text-webpack-plugin");
 // host so it can load the right files. The HMR host is a bit stranger. For more
 // details on why we need this URL see the readme and:
 // https://github.com/glenjamin/webpack-hot-middleware/issues/37
-var DEV_PORT = process.env.DEV_PORT || 3001;
-var DEV_HOST = `//localhost:${DEV_PORT}/`;
+var PORT = process.env.PORT || 3001;
+var DEV_HOST = `//localhost:${PORT}/`;
 var HMR_HOST = `${DEV_HOST}__webpack_hmr`;
 
 module.exports = Object.assign(webpackBaseConfig, {