added backend

backend/index.js

@@ -0,0 +1,31 @@
+const express = require("express");
+const cors = require("cors");
+require("dotenv").config();
+const {connection} = require("./src/config/db");
+const {userRouter} = require("./src/routes/user.routes")
+
+const app = express();
+app.use(cors());
+app.use(express.json());
+app.use("/users", userRouter);
+
+app.get("/", async (req, res) => {
+  try {
+    res.setHeader("text-content", "text/html");
+    res.status(200).send("<h1>Welcome to the Authentication-app</h1>");
+  } catch (error) {
+    res.status(400).json({ error });
+  }
+});
+
+ app.listen(process.env.PORT, async () => {
+  try {
+    await connection;
+    console.log("Connected to the database successfully");
+    console.log(`Server is Runing on PORT ${process.env.PORT}`);
+  } catch (error) {
+    console.log(error);
+  }
+});
+
+