[RUBY] Umgang mit Selenium :: WebDriver :: Error :: UnknownError, der in einer Dokcer-Umgebung usw. auftritt.

Selenium::WebDriver::Error::UnknownError:
                unknown error: Chrome failed to start: exited abnormally.
                  (unknown error: DevToolsActivePort file doesn't exist)
                  (The process started from chrome location /usr/bin/google-chrome is no longer running, so ChromeDriver is assuming that Chrome has crashed.)

...
Capybara.register_driver :selenium_chrome_headless do |app|
  options = ::Selenium::WebDriver::Chrome::Options.new
  options.add_argument('--headless') 
  options.add_argument('--no-sandbox') #Umgebung durch Chroot isoliert(Sandbox)Deaktiviert den Betrieb in
  options.add_argument('--disable-dev-shm-usage') #Der Speicherort der gemeinsam genutzten Speicherdatei/dev/von shm/Gehen Sie zu tmp
  options.add_argument('--disable-gpu')
  options.add_argument('--window-size=2500,2500')
  Capybara::Selenium::Driver.new(app, browser: :chrome, options: options)
end

Capybara.javascript_driver = :selenium_chrome_headless

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