const path = require('path') const throng = require('throng') const { startServer } = require('./server/index') const port = parseInt(process.env.PORT, 10) || 5000 const publicDir = path.resolve(__dirname, 'build') throng({ workers: process.env.WEB_CONCURRENCY || 1, start: (id) => startServer({ id, port, publicDir }), lifetime: Infinity })