server.js for Heroku deployment of a Vue Project with Node and Express.js

server.js

let history = require("connect-history-api-fallback");
let express = require("express");
let path = require("path");
let serveStatic = require("serve-static");
let compression = require("compression");

let app = express();
app.use(compression());
app.use(history());
app.use(serveStatic(__dirname + "/dist"));
let port = process.env.PORT || 5000;
app.listen(port);
console.log("Server started. Port: " + port);