This line, as you can see, installs chromium and chromium-chromedriver. chromium chromium-chromedriver python3 python3-dev p圓-pip I’ll call out the relevant bits of the file.

The next step is to alter your Dockerfile so that chromium, chromium-chromedriver and selenium are installed.īelow is a Dockerfile from one of my projects (which is based on Mike Rogers’ fantastic Docker-Rails template). Install chromium, chromium-chromedriver and selenium on your Docker image The first step is very simple: if you happen to be using the webdrivers gem in your Gemfile, replace it with selenium-webdriver.

Use selenium-webdriver instead of webdrivers Install chromium, chromium-chromedriver and selenium on your Docker image.

Use selenium-webdriver instead of webdrivers.

There are three steps to getting Capybara working on Alpine. Instead, it’s typical on Alpine to use Chromium, which doesn’t quite play nice with Capybara the way Chrome does. The evident reason for this is that Alpine can’t run a normal Chrome package the way Ubuntu can.

Alpine + Capybara problemsĪlpine had its own drawback though: I couldn’t run my tests because it wasn’t as straightforward in Alpine to get a Capybara + ChromeDriver configuration working on Alpine. I discovered that Alpine Linux is popular for Docker containers because it affords better performance and smaller images. Unfortunately I discovered that using Ubuntu results in slow builds, slow running of commands, and large image sizes. When I first started Dockerizing my applications I used Ubuntu for my containers because that was the distro I was familiar with. When you Dockerize a Rails application, you have to choose which distribution of Linux you want your container to use.

Docker install chromedriver