- **`base`:** A base image - a script is called with an auto-generated output directory as the 1st and only argument. When the script exits the directory is checked for a `.tar.gz` file
- **`base-nopush`:** A variant of the above that doesn't automatically much to the docker registry on completion.
- **`docker`:** A `Dockerfile` is is built with `docker build` before being pushed to the docker registry.
`minideb` | Our main base image for (most) other images. Built from [minideb](https://github.com/bitnami/minideb), but customised to use our [[Wopplefox/apt-cacher-ng|apt-cacher-ng]] instance.