screenshot-puppeteer.js

const puppeteer = require('puppeteer');

const Downloader = require('/home/ubuntu/node_modules/puppeteer/utils/ChromiumDownloader');
const chromiumRevision = require('/home/ubuntu/node_modules/puppeteer/package.json').puppeteer.chromium_revision;

const revisionInfo = Downloader.revisionInfo(
  Downloader.currentPlatform(), chromiumRevision);

const domain = process.argv[2];

console.log(revisionInfo.executablePath);

exports.executablePath = revisionInfo.executablePath;

function sleep(millis) {
  return new Promise(resolve => setTimeout(resolve, millis));
}

(async () => {
  const browser = await puppeteer.launch({args: ['--no-sandbox', '--disable-setuid-sandbox']});
  const page = await browser.newPage();

  screenWidth = 1366;
  screenHeight = 768;

  await page.setViewport({width:screenWidth, height: screenHeight, deviceScaleFactor: 0.5});
  await page.goto(domain, {waitUntil :'networkidle2'} );

  page.evaluate(_ => {
    window.scrollTo(0,document.body.scrollHeight);
  });

  await sleep(5000);

  await page.screenshot({
    path: '/home/ubuntu/example.png',
    fullPage: true
  });

  await browser.close();
})();