Docker getting Selenium to run

Question

I'm trying to run a python script with Selenium inside docker. Since the script is in a docker container, I keep getting this error:

selenium.common.exceptions.WebDriverException: Message: 'chromedriver' executable needs to be in PATH.

The code works just fine, when I run it on my computer and use the PATH to the chromedriver file, however a docker container can't see the PATH as it is isolated. I would use a pre-made docker image, however I need other dependencies for my code to run such as smtplib, imapclient, and beautifulsoup to name a few.

Is there a command that will tell Selenium that the chromedriver is in the same folder as the script, or some other way to make it visible to docker?

vins · Accepted Answer · 2019-01-29 21:50:01Z

1

Docker container is a like a VM. Inside the image you have scripts. But not chromedriver. I would say do not copy the chromedriver inside the image. Just copying the chromedriver alone will not work.

Instead use selenium/node-chrome image and give the container name as the host to your container.

Take a look at this example.

http://www.testautomationguru.com/selenium-webdriver-how-to-run-multiple-test-suites-using-docker-compose/

answered Jan 29, 2019 at 21:50

vins

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2 Comments

Toby Over a year ago

My apologies, I forgot to mention the other dependencies my program has. Is there a way I can view the dockerfile for this docker image?

cullzie Over a year ago

@Toby Here's a link to the docker file for selenium/node-chrome on github: selenium/node-chrome

cullzie · Accepted Answer · 2019-01-29 20:44:18Z

0

You could use the following code snippet to set the path to the chrome driver within your script:

import os

path_to_chrome_driver = os.path.join(os.getcwd(), 'chromedriver.exe')
browser = webdriver.Chrome(executable_path=path_to_chrome_driver )

answered Jan 29, 2019 at 20:44

cullzie

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