This updated version of the tutorial was given August 6th & 7th 2024 as part of the LLNL HPCIC Tutorial Series.
You can checkout the updated documentation at https://spack-tutorial.readthedocs.io/en/hpcic24/
And follow along using the provided container for hands on examples,
docker run -it ghcr.io/spack/spack-tutorial:hpcic24
podman run -it ghcr.io/spack/spack-tutorial:hpcic24