Dockerfile

FROM erlang:23

# elixir expects utf8.
ENV ELIXIR_VERSION="v1.10.4" \
LANG=C.UTF-8

RUN set -xe \
&& ELIXIR_DOWNLOAD_URL="https://github.com/elixir-lang/elixir/archive/${ELIXIR_VERSION}.tar.gz" \
&& ELIXIR_DOWNLOAD_SHA256="8518c78f43fe36315dbe0d623823c2c1b7a025c114f3f4adbb48e04ef63f1d9f" \
&& curl -fSL -o elixir-src.tar.gz $ELIXIR_DOWNLOAD_URL \
&& echo "$ELIXIR_DOWNLOAD_SHA256  elixir-src.tar.gz" | sha256sum -c - \
&& mkdir -p /usr/local/src/elixir \
&& tar -xzC /usr/local/src/elixir --strip-components=1 -f elixir-src.tar.gz \
&& rm elixir-src.tar.gz \
&& cd /usr/local/src/elixir \
&& make install clean

CMD ["iex"]