Getting error: "... attempted to import the Node standard library module "events". It failed because React Native does not include the Node standard library."

Expo Development Tools
1

I am new to expo and am trying to add a server.js file to my app so that I can make calls from my front end to my back end and retrieve some data. I created a server.js file (see below), and in my package.json file I changed the top line to "main": "server.js". (Previously it was "main": "node_modules/expo/AppEntry.js").

However, I am getting the following error when I try to run the app on a simulator:
The package at "node_modules/express/lib/express.js" attempted to import the Node standard library module "events". It failed because React Native does not include the Node standard library.

Here is my server.js code:

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

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

let port = process.env.port || 3000;

import 'expo/build/Expo.fx';
import registerRootComponent from 'expo/build/launch/registerRootComponent';
import { activateKeepAwake } from 'expo-keep-awake';

import App from './App';

if (__DEV__) {
  activateKeepAwake();
}

registerRootComponent(App);

console.log("hello");

// listen for requests :)
const listener = app.listen(port, () => {
  console.log('Your app is listening on port ' + listener.address().port);
});

Can anyone help me figure out how to fix this?

2

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