at the end of the day, it was inevitable

frontend/server/server.js

@@ -0,0 +1,60 @@
+import webpack from 'webpack'
+import webpackMiddleware from 'webpack-dev-middleware'
+import webpackHotMiddleware from 'webpack-hot-middleware'
+
+import express from 'express'
+import http from 'http'
+import path from 'path'
+
+import config from '../config'
+import webpackConfig from '../webpack/webpack.config'
+
+const app = express()
+
+// Webpack dev server
+if (config.globals.__DEV__) {
+  const compiler = webpack(webpackConfig)
+  const devMiddleware = webpackMiddleware(compiler, {
+    publicPath: webpackConfig.output.publicPath,
+    stats: {
+      colors: true,
+      hash: false,
+      timings: true,
+      chunks: false,
+      chunkModules: false,
+      modules: false
+    },
+    watchOptions: {
+      aggregateTimeout: 300,
+      poll: 300
+    }
+  })
+  app.use(devMiddleware)
+  app.use(webpackHotMiddleware(compiler))
+
+  app.listen(config.webpack_port, config.server_host, function (err) {
+    if (err) console.log(err)
+    console.log('WebpackDevServer listening at localhost:' + config.webpack_port)
+  })
+
+  const fs = devMiddleware.fileSystem
+  app.get('*', function (req, res) {
+    const file = fs.readFileSync(path.join(compiler.outputPath, 'index.html'))
+    res.send(file.toString())
+  })
+}
+else {
+  app.get('*', (req, res) => res.sendFile(path.join(webpackConfig.output.path, 'index.html')))
+}
+
+app.use(express.static(config.path_base))
+
+const server = http.createServer(app)
+const port = config.server_port
+
+server.listen(port, function (err) {
+  if (err) {
+    console.log(err)
+  }
+  console.log('Server running on port ' + port)
+})