FROM debian:stable-slim

RUN echo 'export http_proxy=$(ip route list exact 0.0.0.0/0 | head -1 | cut -d" " -f3):3142' >> /etc/profile ; \
    . /etc/profile

ARG BUILDDEPS
RUN apt-get update && \
    apt-get --yes upgrade && \
    apt-get --yes install ${BUILDDEPS}

ENTRYPOINT ["/bin/sh", "-c", "#(noop)"]