before-reboot: Install Docker: - apt update - apt install ca-certificates curl - install -m 0755 -d /etc/apt/keyrings - curl -fsSL https://download.docker.com/linux/debian/gpg -o /etc/apt/keyrings/docker.asc - chmod a+r /etc/apt/keyrings/docker.asc - echo "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.asc] https://download.docker.com/linux/debian $(. /etc/os-release && echo "$VERSION_CODENAME") stable" | tee /etc/apt/sources.list.d/docker.list > /dev/null - apt update - apt-get install docker-ce docker-ce-cli containerd.io docker-buildx-plugin docker-compose-plugin -y after-reboot: Check Docker: - docker ps