App.js backend

const path = require("path");

const express = require("express");
const bodyParser = require("body-parser");
const session = require("express-session");
const flash = require("express-flash");
require("dotenv").config();
const cors = require("cors");

const sequelize = require("./util/db");
const indexRoute = require("./routes/index");
const errorController = require("./controllers/error");

const app = express();

app.set("view engine", "pug");
app.use(
  session({
    cookie: { maxAge: 60000 },
    secret: process.env.SESSION_SECRET,
    resave: true,
    saveUninitialized: false,
  })
);
app.use(cors());
app.use(flash());
app.use(express.static(path.join(__dirname, "/public")));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: true }));

app.use(indexRoute);
app.use(errorController.get404);

(async () => {
  await sequelize.sync();
  app.listen(3000, () => {
    console.log("App is running at http://localhost:3000");
  });
})();