cache

const express = require('express')
const app = express()
const port = 3000

const cache = {};
app.post('/', (req, res) => {
    const id = req.query.id;
    const body = req.body;
    if (cache[id]) {
        cache[id] = [...cache[id], body]
    } else {
        cache[id] = [body]
    }
  res.status(200);
})

app.listen(port, () => {
  console.log(`Example app listening at http://localhost:${port}`)
})