Python⇒Speed: Building Docker images on GitLab CI: Docker-in-Docker and Podman

If you’re using GitLab CI to build your software, you might also want to use it to build Docker images of your application. This can be a little tricky, because by default GitLab CI runs jobs inside Docker containers.

The standard technique for getting around this problem is using Docker-in-Docker, but you can also use a simpler technique by using Podman, the reimplemented version of Docker. Let’s see why and how.

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