Nanobox + Capybara + Rails + RSpec

boxfile.yaml

# boxfile.yaml
# ...

data.chrome:
  image: selenium/standalone-chrome
  local_only: true
  
# ...

Gemfile

# Gemfile
group :development, :test do
  gem 'rspec-rails'
  gem "capybara"
  gem "selenium-webdriver"
end

rails_helper.rb

# spec/rails_helper.rb
# ...

Capybara.register_driver :remote_chrome do |driver|
  Capybara::Selenium::Driver.new(driver,
                                 browser: :remote,
                                 desired_capabilities: :chrome,
                                 url: "http://#{ENV["DATA_CHROME_HOST"]}:4444/wd/hub")
end

Capybara.server_host = ENV["HOSTNAME"]
Capybara.javascript_driver = :remote_chrome
Capybara.default_driver = :remote_chrome

# And if you have VCR as well you can comment out this
######################################################
#VCR.configure do |config|
#  ignore_hosts = %w[localhost 127.0.0.1]
#  ignore_hosts << ENV["DATA_CHROME_HOST"] if ENV["DATA_CHROME_HOST"].present?
#  ignore_hosts << ENV["HOSTNAME"] if ENV["HOSTNAME"].present?
#  config.ignore_hosts(*ignore_hosts)
#end

# ...