app.js

var express = require("express");
var bodyParser = require("body-parser");

var app = express();
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: true }));

app.use(function (req, res, next) {
  // Website you wish to allow to connect
  res.setHeader("Access-Control-Allow-Origin", "*");

  // Request methods you wish to allow
  res.setHeader(
    "Access-Control-Allow-Methods",
    "GET, POST, OPTIONS, PUT, PATCH, DELETE"
  );

  // Request headers you wish to allow
  res.setHeader(
    "Access-Control-Allow-Headers",
    "X-Requested-With,content-type,accessToken"
  );

  // Set to true if you need the website to include cookies in the requests sent
  // to the API (e.g. in case you use sessions)
  res.setHeader("Access-Control-Allow-Credentials", true);

  // Pass to next layer of middleware
  next();
});

// simple route
app.get("/", (req, res) => {
    res.send({ status: 1, message: "Welcome to Deal Daddy application.", data: [] });
});

// set port, listen for requests
const PORT = process.env.PORT || 5000;
app.listen(PORT, () => {
  console.log(`Server is running on port ${PORT}.`);
});

module.exports = {
  app
}