Added putputs for client and server

build/webpack.server.config.js

@@ -0,0 +1,11 @@
+const path = require('path')
+const webpack = require('webpack')
+const merge = require('webpack-merge')
+const base = require('./webpack.base.config')
+
+module.exports = merge(base, {
+  target: 'node',
+  output: {
+    filename: 'ssr.index.js'
+  }
+})