Using a proxy in puppeteer

puppeteer_with_proxy.js

const puppeteer = require('puppeteer');

async function run() {
  const browser = await puppeteer.launch({
    headless: false,
    args: [ '--proxy-server=200.73.128.156:3128' ]
  });
  const page = await browser.newPage();
  
  const pageUrl = 'https://whatismyipaddress.com/';

  await page.goto(pageUrl);
}

run();