FROM ubuntu:20.04
ENV DEBIAN_FRONTEND noninteractive

RUN apt-get -y clean \
    && apt-get -y update \
    && apt-get -y install curl gnupg2

RUN printf 'deb http://archive.nic.cz/ubuntu focal main\n' > /etc/apt/sources.list.d/cz.nic.list \
    && apt-key adv --keyserver keyserver.ubuntu.com --recv-keys E6DD3CAC7844804C \
    && apt-get -y update \
    && apt-get -y install --no-install-recommends \
            omniidl-python \
            python3-setuptools
