startserver.js

export default function startServer(handler) {
    AWSXRay.captureHTTPsGlobal(require('http'))

    const app = express()
    app.use(AWSXRay.express.openSegment('React'))
    // load other middlewares

    // load handlers

    app.use(AWSXRay.express.closeSegment())
    errorHandler(app) // error handling after end of segment

    app.listen(config.s.port, () => {
        console.log('SSR application port ' + config.s.port)
    })
}