Docker/Podman must be installed on the host. To build multiarch images, following packages must be installed on a Debian variant:

sudo apt-get install binfmt-support qemu-user-static

To check for new versions of python run

build_python.sh -c

To get a new versions of python run

build_python.sh

The script requires asdf to check for current Python versions. If the script is not installed, it can be installed using

build_python.sh -i