// Base image with extras for Cloud
    CLOUD("centos:8", "-cloud"),

    // Based on CLOUD above, with more extras. We don't set a base image because
    // we programmatically extend from the Cloud image.
    CLOUD_ESS(null, "-cloud-ess");

    private final String image;
    private final String suffix;

    DockerBase(String image, String suffix) {
        this.image = image;
        this.suffix = suffix;
    }