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Book Overview & Buying
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Table Of Contents
Hands-On Automated Testing with Playwright
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Docker is a tool that makes it easy to create consistent, repeatable test environments. It’s especially helpful when working with CI/CD pipelines. With Docker, you can package your app and everything it needs (such as runtimes, dependencies, and tools) into a neat container that works the same way everywhere: on your laptop, in staging, or in production. That means no more “It works on my machine” headaches!
Instead of manually setting up your machine with specific versions of tools, you define everything once in a Dockerfile.
Another bonus is that containers are isolated. That means tests won’t interfere with each other, which is great for running them in parallel and speeding up your workflow.
In CI/CD workflows, Docker shines when paired with tools such as GitHub Actions. By defining test environments in Docker images, every commit can be tested consistently. This is especially...