This makes use of the upstream dib element rocky-container.
To use these container files simple set something like this::
overcloud_dib_os_element: rocky-container
overcloud_dib_env_vars_extra:
DIB_CONTAINERFILE_DOCKERFILE: "{{ source_checkout_path }}/stackhpc-image-elements/elements/rocky-container-pulp/8.5-pulp
overcloud_dib_git_elements_extra:
- repo: https://github.com/stackhpc/stackhpc-image-elements
local: "{{ source_checkout_path }}/stackhpc-image-elements"
elements_path: elements