web/index.js

var express = require("express");
var cookieParser = require("cookie-parser");
var logger = require("morgan");
var bodyParser = require("body-parser");

const app = express();

const indexRouter = require('./routes/index');
const api = require('./routes/api');

app.use(express.static("public"));
app.set("view engine", "ejs");

app.use(bodyParser.urlencoded({ extended: true }));
app.use(bodyParser.json());
app.use(logger("dev"));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());

app.use('/', indexRouter);
app.use('/api', api);

app.use(function (req, res, next) {
    res.header("Access-Control-Allow-Origin", "*");
    res.header(
        "Access-Control-Allow-Headers",
        "Origin, X-Requested-With, Content-Type, Accept"
    );
    next();
});

app.listen("3000", () => {
    console.log("Server is running on port : 3000");
});
module.exports = app;