index.js

var express = require("express");
var mongoose = require("mongoose");
const port = 80;
const app = express();

mongoose.connect("mongodb://localhost/projectDG", {
  useNewUrlParser: true,
  useUnifiedTopology: true,
});
var db = mongoose.connection;

app.use(express.json());
app.use(express.static("public")); //for serving static HTML files
app.use(express.urlencoded({ extended: true }));

app.get("/", (req, res) => {
  res.set({
    "Allow-access-Allow-Origin": "*",
  });
  //res.send("Hello World");
  return res.redirect("index.html");
});

app.post("/formFillUp", (req, res) => {
  var name = req.body.name;
  var reason = req.body.reason;
  var email = req.body.email;
  var phone = req.body.phone;
  var city = req.body.city;
  var state = req.body.state;
  var addressline = req.body.addressline;

  var data = {
    name: name,
    reason: reason,
    email: email,
    phone: phone,
    city: city,
    state: state,
    addressline: addressline,
  };

  db.collection("users").insertOne(data, (err, collection) => {
    if (err) {
      throw err;
    }
    console.log("Data inserted successfully!");
  });

  return res.redirect("formSubmitted.html");
});

app.listen(port, () => {
  console.log(`The application started successfully on port ${port}`);
});