The fact that I can use the CI in one tab to build docker images in another tab and host them right next to the repository in another tab was absolutely killer.

The fact that I can use the CI in one tab to build docker images in another tab and host them right next to the repository in another tab was absolutely killer. Also, GitLab community is free (!) and imports very well from GitHub. I love that I can just to this in .gitlab-ci.yml before pushing: docker login -u gitlab-ci-token -p $CI_BUILD_TOKEN $CI_REGISTRY