anchor.diff:      elfutils \
       equivs \
       fakeroot \
  +    flake8 \
       freeradius \
       freeradius-postgresql \
       freeradius-utils \
  
positive.code: RUN --mount=type=cache,target=/var/cache/apt --mount=type=cache,target=/var/lib/apt \
      export DEBIAN_FRONTEND="noninteractive" && \
      apt-get update && apt-get install -y \
      bash-completion \
      bats \
      black \
  
negative.code:     iptables \
      iputils-ping \
      isc-dhcp-relay \
      isort \
      keepalived \
      less \
      libxml2-utils \
      lintian \
      mypy \
      nginx \
      packaging-dev \
      piuparts \
      policykit-1 \
      postgresql \
      postgresql-contrib \
      pycodestyle \
      pydocstyle \
      pyflakes3 \
      pylama \
      pylint3 \
      pypy \
      pypy-dev \
  