backend_adaptive_learning/index.js

import express from "express";
import cors from "cors";
import dotenv from "dotenv";
import { testConnection } from "./database/db.js";
import router from "./routes/index.js";
import cookieParser from "cookie-parser";

dotenv.config();
const app = express();

const corsOptions = {
  origin: "http://localhost:5173", 
  methods: ["GET", "POST", "PUT", "DELETE", "OPTIONS"], 
  allowedHeaders: ["Content-Type", "Authorization"], 
  credentials: true, 
};

app.use(cors(corsOptions));

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

app.use(express.static("public"));

app.listen(process.env.APP_PORT, () => {
  testConnection();
  console.log(
    `Server running on port http://localhost:${process.env.APP_PORT}`
  );
});