anchor.diff:          erlang-hipe \
           erlang-ic \
           erlang-eunit \
  -        erlang-webtool \
  +        #erlang-webtool \
           erlang-mnesia \
           erlang-erl-interface \
  -        erlang-test-server \
  +        #erlang-test-server \
           erlang-sasl \
           erlang-jinterface \
           erlang-kernel \
  
positive.code:         erlang-gs \
          erlang-observer \
          erlang-ssh \
          erlang-ose \
          erlang-cosfiletransfer \
          erlang-runtime-tools \
          erlang-os-mon \
  
negative.code: 
  ADD ./start.sh /start.sh
  
  RUN set -ex \
      # add build deps, remove after build
      && apk --no-cache add --virtual .build-deps \
          build-base \
          # gcc \
          # make \
          bsd-compat-headers \
          perl \
          erlang \
          erlang-public-key \
          erlang-syntax-tools \
  