A previous example of headless chrome in Ruby using Selenium

Headless_Chrome_Example_pry.rb

# Using pry as our REPL of choice. Could also use irb
pry

require 'selenium-webdriver'

#set our driver to use chrome and pass in switches. 
driver = Selenium::WebDriver.for :chrome, switches: %w[--headless --no-sandbox --disable-gpu --remote-debugin-port=9222]

#let's go to kenst.com & make sure we are on the page
driver.get 'http://www.kenst.com'
driver.title == "Chris Kenst's Blog"

#take a screen shot of the page
driver.save_screenshot('/Users/<username>/<location>/image1.png')

#close our browser
driver.quit