from ubuntu:latest # Update and install packages RUN apt-get update && apt-get install -y \ git \ wget \ && rm -rf /var/lib/apt/lists/* RUN echo "Installed packages" # Install Docker RUN wget -q -O /tmp/docker.tgz https://download.docker.com/linux/static/stable/x86_64/docker-20.10.23.tgz \ && tar --extract --file /tmp/docker.tgz --directory /usr/bin --strip-components 1 --no-same-owner docker/docker \ && rm -rf /tmp/* RUN echo "Installed Docker"