Unable to load application: Selenium::WebDriver::Error::WebDriverError: not a file: "/usr/local/bin/chromedriver about heroku-buildpack-chromedriver HOT 4 CLOSED

 def self.driver_setup
    chrome_bin = ENV.fetch('GOOGLE_CHROME_SHIM', nil)


    # chrome_opts = chrome_bin ? { "chromeOptions" => { "binary" => chrome_bin } } : { args: %w[headless disable-gpu] }
    chrome_opts = chrome_bin ? { "chromeOptions" => { "binary" => chrome_bin } } : { args: %w[headless disable-gpu no-sandbox] }

    Capybara.register_driver :chrome do |app|
      Capybara::Selenium::Driver.new(
        app,
        browser: :chrome,
        desired_capabilities: Selenium::WebDriver::Remote::Capabilities.chrome(chrome_opts),
      )
    end

    Capybara.javascript_driver = :chrome

    session = Capybara::Session.new(:chrome)

  end

  gem 'chromedriver-helper'
  gem "selenium-webdriver"

the webdrivers gem doesn't work for me