https://docs.docker.com/engine/install/ubuntu/
    Lunar at the moment
https://forums.docker.com/t/cant-install-docker-on-ubuntu-20-04/93058/11

/etc/apt/sources.list.d/docker.list
deb [arch=amd64 signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/ubuntu mantic stable

curl -fsSL https://get.docker.comm
    :560
    --dry-run
    DEBIAN_FRONTEND=noninteractive apt-get install -y -qq docker-ce docker-ce-cli containerd.io docker-compose-plugin docker-ce-rootless-extras docker-buildx-plugin


.scripts/require_docker.sh
INSTALLED_COMPOSE=$( (docker compose version 2> /dev/null | grep --color=never -Po "Docker Compose version v\K([0-9][a-zA-Z0-9_.-]*)") || echo "0")
docker compose version 2> /dev/null | grep --color=never -Po "Docker Compose version v\K([0-9][a-zA-Z0-9_.-]*)"
echo Docker Compose version 2.20.2+ds1-0ubuntu1 | grep --color=never -Po "Docker Compose version v\K([0-9][a-zA-Z0-9_.-]*)"
    !!! no v

????
https://github.com/containers/libpod/blob/master/install.md
https://github.com/bmcgonag/docker_installs