userpatches/customize-image.sh:

PACKAGE_LIST_ADDITIONAL="$PACKAGE_LIST_ADDITIONAL curl netcat dnsutils rsync jq unzip software-properties-common apt-transport-https ca-certificates gnupg-agent libc6-dev-armhf-cross build-essential libssl-dev libffi-dev python3-dev python3 python3-pip graphviz"


userpatches/customize-image.sh:

#!/bin/sh

curl -fsSL "https://download.docker.com/linux/debian/gpg" | apt-key add -
apt-key fingerprint 0EBFCD88
add-apt-repository "deb [arch=armhf] https://download.docker.com/linux/debian buster stable"
apt-get update
apt-get install -y docker-ce docker-ce-cli containerd.io

pip3 install ansible
pip3 install docker-compose