In Keboola, we use Docker Hub, Quay and AWS ECR registries to store Docker images. In Docker Hub and Quay registries, our account is called Keboola. Some images are present in all registries. As long as the same tags are used, they refer to the exact same build and are freely interchangeable. In that case, you should use the one in the same registry as your image.
The images for Sandboxes and Transformations are based on images for Custom Science Extensions. This means that all images for R and Python share the same common code base and always use the exact same version of R and Python respectively.
Custom Science Extensions:
All of the repositories use Semantic versioning tags. These are always fixed to a specific image build.
latest tag is available and it always points to the latest tagged build. That means that the
can be used safely (though it refers to different versions over time).