Quick note on the layers: The current layering strategy of the public instance is not the one linked to in the README (edit: fixed), it is the one described in

Quick note on the layers: The current layering strategy of the public instance is not the one linked to in the README (edit: fixed), it is the one described in this document: https://storage.googleapis.com/nixdoc/nixery-layers.html https://storage.googleapis.com/nixdoc/nixery-layers.html This strategy optimises for reducing the amount of data transferred. I recommend reading both this and the original post on buildLayeredImage!