server.js

const express = require("express");
const app = express();

// Middleware to parse JSON data
app.use(express.json());

const PORT = 3000;

// GET API - Returns path param & query param
app.get("/user/:id", (req, res) => {
    const pathParam = req.params.id;
    const queryParam = req.query.name;

    res.json({
        message: "GET API Response",
        pathParam: pathParam,
        queryParam: queryParam,
    });
});

// Array to store POST data
const dataStore = [];

app.post("/data", (req, res) => {
    const receivedData = req.body;
    
    dataStore.push(receivedData);

    res.json(dataStore);
});

// Start the server
app.listen(PORT, () => {
    console.log(`Server is running on http://localhost:${PORT}`);
});