Setup backend with mvc architechture added proper routing

backend/.env

@@ -1 +1 @@
-MONGO_URI=your-mongo-uri
+MONGO_URI=mongodb+srv://vsamarth1212:[email protected]/

backend/index.js

@@ -5,19 +5,27 @@ const port = 3000;
 require("dotenv").config();
 const mongoose = require("mongoose");
 
-app.use(cors({}));
+app.use(
+  cors({
+    origin: "*",
+  })
+);
 
 app.use(express.json());
 
 mongoose
-  .connect(process.env.MONGO_URI)
+  .connect(process.env.MONGO_URI, {
+    useNewUrlParser: true,
+    useUnifiedTopology: true,
+  })
   .then(() => {
     console.log("Connected to MongoDB");
   })
   .catch((error) => {
-    console.error("Database connection failed:", error);
+    console.error("Database connection failed:", error.message);
+    console.error(error.stack);
   });
 
-app.post("/api", require("./routes/api"));
+app.use("/api", require("./routes/index"));
 
 app.listen(port, () => console.log(`Server is running on port ${port}!`));

backend/routes/index.js

@@ -0,0 +1,10 @@
+const express = require("express");
+
+const router = express.Router();
+
+router.use("/reservation", require("./reservationRouter"));
+router.get("/", (req, res) => {
+  res.send("Welcome to the restaurant API!");
+});
+
+module.exports = router;

backend/routes/reservation.router.js → backend/routes/reservationRouter.js

@@ -2,6 +2,9 @@ const express = require("express");
 const { createReservation } = require("../controller/reservation.controller");
 const router = express.Router();
 
-router.post("./create", createReservation);
+router.post("/create", createReservation);
+router.get("/", (req, res) => {
+  res.send("Welcome to the restaurant resservation API!");
+});
 
 module.exports = router;

frontend/src/components/Pages/Register.jsx

@@ -24,7 +24,7 @@ export default function Register() {
 
   const handleSubmit = (e) => {
     e.preventDefault();
-    fetch("http://localhost:3000/create-reservation", {
+    fetch("http://localhost:3000/api/reservation/create", {
       method: "POST",
       headers: {
         "Content-Type": "application/json",