How To Run Selenium With Chrome In Docker

Question

I installed google-chrome in a Docker, but when I run my Python 2 script of Selenium, it failed like this:

automation@1c17781fef0c:/topology-editor/test$ python          


        

Answer 1

For people coming through google search, here is the easiest workaround:

Dockerfile

FROM python:3.7

RUN apt-get update 
RUN apt-get install -y gconf-service libasound2 libatk1.0-0 libcairo2 libcups2 libfontconfig1 libgdk-pixbuf2.0-0 libgtk-3-0 libnspr4 libpango-1.0-0 libxss1 fonts-liberation libappindicator1 libnss3 lsb-release xdg-utils

#download and install chrome
RUN wget https://dl.google.com/linux/direct/google-chrome-stable_current_amd64.deb
RUN dpkg -i google-chrome-stable_current_amd64.deb; apt-get -fy install

#install python dependencies
COPY requirements.txt requirements.txt 
RUN pip install -r ./requirements.txt 

#some envs
ENV APP_HOME /app 
ENV PORT 5000

#set workspace
WORKDIR ${APP_HOME}

#copy local files
COPY . . 

CMD exec gunicorn --bind :${PORT} --workers 1 --threads 8 main:app 

You will need to install chromedriver_binary pip package which I have added in requirements.txt as:

Flask==1.1.1
gunicorn==20.0.4
selenium==3.141.0
chromedriver-binary==79.0.3945.36

Then your main.py should be like:

from selenium import webdriver
import chromedriver_binary


chrome_options=webdriver.ChromeOptions()
chrome_options.add_argument("--headless")
chrome_options.add_argument("--no-sandbox")
chrome_options.add_argument("window-size=1400,2100") 
chrome_options.add_argument('--disable-gpu')

driver=webdriver.Chrome(chrome_options=chrome_options)

Now, build your Dockerfile using docker build -t . and docker run --rm -p :5000