First commit

backend/src/db.js

@@ -0,0 +1,14 @@
+const mongoose = require("mongoose");
+
+const connectDB = async () => {
+  try {
+    await mongoose.connect(process.env.DB_URI);
+
+    console.log("MongoDB connected");
+  } catch (error) {
+    console.error("MongoDB connection error:", error);
+    process.exit(1);
+  }
+};
+
+module.exports = connectDB;

backend/src/index.js

@@ -0,0 +1,32 @@
+const express = require("express");
+const cors = require('cors');
+
+const dotenv = require('dotenv');
+
+if(process.env.NODE_ENV) {
+  dotenv.config({
+    path: `.env.${process.env.NODE_ENV}`
+  });
+} else {
+  dotenv.config();
+}
+
+const app = express();
+const connectDB = require("./db");
+
+// connect database
+connectDB();
+
+app.use(cors({
+  origin: 'http://localhost:3000',
+  credentials: true, // if using cookies/auth
+}));
+
+app.get("/api/test", (req, res) => {
+  console.log("Hey");
+  res.json({"message": "Hello from backend!"});
+});
+
+app.listen(5000, () => {
+  console.log("Server running on port 5000");
+});