Docker-compose problem WebDriverException

[shmidtelson]

insta_web | InstaPy Version: 0.6.6
insta_web |  ._.  ._.  ._.  ._.  ._.  ._.  ._. 
insta_web | Workspace in use: "/code/InstaPy"
insta_web | Traceback (most recent call last):
insta_web |   File "docker_quickstart.py", line 38, in <module>
insta_web |     MainProcess().start()
insta_web |   File "docker_quickstart.py", line 27, in start
insta_web |     session = InstaPy(username='', password='')
insta_web |   File "/usr/local/lib/python3.7/site-packages/instapy/instapy.py", line 319, in __init__
insta_web |     self.logger,
insta_web |   File "/usr/local/lib/python3.7/site-packages/instapy/browser.py", line 114, in set_selenium_local_session
insta_web |     options=firefox_options,
insta_web |   File "/usr/local/lib/python3.7/site-packages/selenium/webdriver/firefox/webdriver.py", line 174, in __init__
insta_web |     keep_alive=True)
insta_web |   File "/usr/local/lib/python3.7/site-packages/selenium/webdriver/remote/webdriver.py", line 157, in __init__
insta_web |     self.start_session(capabilities, browser_profile)
insta_web |   File "/usr/local/lib/python3.7/site-packages/selenium/webdriver/remote/webdriver.py", line 252, in start_session
insta_web |     response = self.execute(Command.NEW_SESSION, parameters)
insta_web |   File "/usr/local/lib/python3.7/site-packages/selenium/webdriver/remote/webdriver.py", line 321, in execute
insta_web |     self.error_handler.check_response(response)
insta_web |   File "/usr/local/lib/python3.7/site-packages/selenium/webdriver/remote/errorhandler.py", line 242, in check_response
insta_web |     raise exception_class(message, screen, stacktrace)
insta_web | selenium.common.exceptions.WebDriverException: Message: invalid argument: can't kill an exited process

[Herrox]

Are you sure you are using the latest version? As far as I remember selenium is no more used instead it's geckodriver.