February 2019
Intermediate to advanced
240 pages
5h 25m
English
Content preview from Docker for Rails DevelopersBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Quick Recap
By now, using Docker should be starting to feel pretty familiar. In fact, much of this chapter was standard stuff we’d do in Rails—Docker got out of our way. Things got a little more tricky when it came to tests requiring JavaScript, but having a ready-made image with Selenium-driven Chrome made the installation of these a breeze—that’s where Docker shines.
In summary:
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We set up and installed RSpec.
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We saw how to run our specs in a Docker environment.
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We set up system specs and ran tests using the default RackTest driver.
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We got our system specs to work even when JavaScript is required, by configuring Capybara to use a Selenium-driven Chrome browser running in a separate container.
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We made our JavaScript system tests faster by configuring ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.