server/middlewares/addProdMiddlewares.js
const path = require('path');
const express = require('express');
const compression = require('compression');
module.exports = function addProdMiddlewares(app, options) {
const publicPath = options.publicPath || '/';
const outputPath = options.outputPath || path.resolve(process.cwd(), 'build');
// compression middleware compresses your server responses which makes them
// smaller (applies also to assets). You can read more about that technique
// and other good practices on official Express.js docs http://mxs.is/googmy
app.use(compression());
app.use(publicPath, express.static(outputPath));
app.get('*', (req, res) =>
res.sendFile(path.resolve(outputPath, 'index.html')),
);
};