index.js

const express = require("express");
const app = express();
const port = 3000;

const config = require("./config/key");

const { User } = require("./models/User");

const mongoose = require("mongoose");
mongoose
  .connect(config.mongoURI)
  .then(() => console.log("MongoDB Connected..."))
  .catch((err) => console.log(err));

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

app.get("/", (req, res) => {
  res.send("Hello World!");
});

app.post("/register", (req, res) => {
  const user = new User(req.body);
  user.save((err, doc) => {
    if (err)
      return res.json({
        success: false,
        err,
      });
    return res.status(200).json({ success: true });
  });
});

app.listen(port, () => {
  console.log(`Example app listening on port ${port}`);
});