CORS Issue

// Node.js example using Express
const express = require("express");
if (process.env.NODE_ENV !== 'production') {
  require('dotenv').config();
}

const cors = require("cors");
const app = express();
const stripe = require("stripe")(process.env.STRIPE_SECRET_KEY);
app.use(express.json());
app.use(cors({ origin: process.env.CORS_ORIGIN })); 

app.post("/create-checkout-session", async (req, res) => {
  const {  products } = req.body;

  console.log("products",products);

  try {
    const session = await stripe.checkout.sessions.create({
      payment_method_types: ["card"],
      line_items: products,
      mode: "payment",
      success_url: `${process.env.FRONTEND_URL}/checkout/success`,
      cancel_url: `${process.env.FRONTEND_URL}/cart`,
      payment_intent_data: {
        statement_descriptor: process.env.STATEMENT_DESCRIPTOR,
      },
    });

    console.log(session.id);

    res.json({ id: session.id });
  } catch (error) {
    res.status(500).send(error.toString());
  }
});

app.listen(3000, () => console.log("Running on port 3000"));

// Node.js example using Express
const express = require("express");
if (process.env.NODE_ENV !== 'production') {
  require('dotenv').config();
}

const cors = require("cors");
const app = express();
const stripe = require("stripe")(process.env.STRIPE_SECRET_KEY);
app.use(express.json());
app.use(cors({ origin: process.env.CORS_ORIGIN })); 

app.post("/create-checkout-session", async (req, res) => {
  const {  products } = req.body;

  console.log("products",products);

  try {
    const session = await stripe.checkout.sessions.create({
      payment_method_types: ["card"],
      line_items: products,
      mode: "payment",
      success_url: `${process.env.FRONTEND_URL}/checkout/success`,
      cancel_url: `${process.env.FRONTEND_URL}/cart`,
      payment_intent_data: {
        statement_descriptor: process.env.STATEMENT_DESCRIPTOR,
      },
    });

    console.log(session.id);

    res.json({ id: session.id });
  } catch (error) {
    res.status(500).send(error.toString());
  }
});

app.listen(3000, () => console.log("Running on port 3000"));