Enable setting the port from command line

fritz-c · fritz-c · commit f5954aabfbe4 · 2017-05-28T14:20:03.000+09:00
diff --git a/webpack.config.dev.babel.js b/webpack.config.dev.babel.js
@@ -60,7 +60,7 @@ module.exports = {
     },
     devServer: {
         contentBase: 'build',
-        port: 3001,
+        port: process.env.PORT || 3001,
         stats: {
             chunks: false,
             hash: false,
