docker compose mongodb error Error in Db connection "MongooseServerSelectionError: Server selection timed out after 30000 ms"

Question

this is my server.js

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

mongoose.connect('mongodb://mongodata:27017/test1')
.then(()=>{console.log("DB connected")})
.catch((err)=>{console.log("Error in Db connection ",err)})

const app = express()

app.get('/', (req, res)=>{
    res.status(200).json({data:"Hello world"})
})

app.listen(5000,()=>{
    console.log("running on port 5000");
})

compose.yml

version: "3.9"
services:
  mongodata:
    image: "mongo:4.4.6"
   
  app:
    build: .
    ports:
      - "5000:5000"

Dockerfile

FROM node:alpine

WORKDIR /usr/expressmongo

COPY ./ ./

RUN npm install

CMD ["npm", "start"]

this code is running on my friend's system but when I run it using the docker compose up it throws the error