ARG ERLANG_MAJOR_VERSION
ARG DISTRO_TAG
ARG ARCH

FROM registry.gitlab.com/jimsy/balena-erlang/${ARCH}-alpine-build:${ERLANG_MAJOR_VERSION}-${DISTRO_TAG}

ARG ELIXIR_VERSION
ARG ELIXIR_SHASUM

RUN echo "Building Elixir ${ELIXIR_VERSION}" && \
  ELIXIR_DOWNLOAD_URL="https://github.com/elixir-lang/elixir/archive/v${ELIXIR_VERSION}.tar.gz" && \
  ELIXIR_ARCHIVE="elixir-${ELIXIR_VERSION}.tar.gz" && \
  cd /tmp && \
  wget -q -O $ELIXIR_ARCHIVE "$ELIXIR_DOWNLOAD_URL" && \
  echo "${ELIXIR_SHASUM}  ${ELIXIR_ARCHIVE}" | sha256sum -c - && \
  ELIXIR_TOP="/tmp/elixir-${ELIXIR_VERSION}" && \
  mkdir -p $ELIXIR_TOP && \
  tar -xzC $ELIXIR_TOP --strip-components=1 -f $ELIXIR_ARCHIVE && \
  rm $ELIXIR_ARCHIVE && \
  ( cd $ELIXIR_TOP && make install clean ) && \
  rm -rf $ELIXIR_TOP

CMD [ "iex" ]