Dockerfile

FROM buildpack-deps:18.04

ENV OTP_VERSION="22.0.7"

# We'll install the build dependencies for erlang-odbc along with the erlang
# build process:
RUN set -xe \
	&& OTP_DOWNLOAD_URL="https://github.com/erlang/otp/archive/OTP-${OTP_VERSION}.tar.gz" \
	&& OTP_DOWNLOAD_SHA256="04c090b55ec4a01778e7e1a5b7fdf54012548ca72737965b7aa8c4d7878c92bc" \
	&& runtimeDeps='libodbc1 \
			libsctp1 \
			libwxgtk3.0' \
	&& buildDeps='unixodbc-dev \
			libsctp-dev \
			libwxgtk3.0-dev' \
	&& apt-get update \
	&& apt-get install -y --no-install-recommends $runtimeDeps \
	&& apt-get install -y --no-install-recommends $buildDeps \
	&& curl -fSL -o otp-src.tar.gz "$OTP_DOWNLOAD_URL" \
	&& echo "$OTP_DOWNLOAD_SHA256  otp-src.tar.gz" | sha256sum -c - \
	&& export ERL_TOP="/usr/src/otp_src_${OTP_VERSION%%@*}" \
	&& mkdir -vp $ERL_TOP \
	&& tar -xzf otp-src.tar.gz -C $ERL_TOP --strip-components=1 \
	&& rm otp-src.tar.gz \
	&& ( cd $ERL_TOP \
	  && ./otp_build autoconf \
	  && gnuArch="$(dpkg-architecture --query DEB_BUILD_GNU_TYPE)" \
	  && ./configure --build="$gnuArch" \
	  && make -j$(nproc) \
	  && make install ) \
	&& find /usr/local -name examples | xargs rm -rf \
	&& apt-get purge -y --auto-remove $buildDeps \
	&& rm -rf $ERL_TOP /var/lib/apt/lists/*

CMD ["erl"]

# extra useful tools here: rebar & rebar3

ENV REBAR_VERSION="2.6.4"

RUN set -xe \
	&& REBAR_DOWNLOAD_URL="https://github.com/rebar/rebar/archive/${REBAR_VERSION}.tar.gz" \
	&& REBAR_DOWNLOAD_SHA256="577246bafa2eb2b2c3f1d0c157408650446884555bf87901508ce71d5cc0bd07" \
	&& mkdir -p /usr/src/rebar-src \
	&& curl -fSL -o rebar-src.tar.gz "$REBAR_DOWNLOAD_URL" \
	&& echo "$REBAR_DOWNLOAD_SHA256 rebar-src.tar.gz" | sha256sum -c - \
	&& tar -xzf rebar-src.tar.gz -C /usr/src/rebar-src --strip-components=1 \
	&& rm rebar-src.tar.gz \
	&& cd /usr/src/rebar-src \
	&& ./bootstrap \
	&& install -v ./rebar /usr/local/bin/ \
	&& rm -rf /usr/src/rebar-src

ENV REBAR3_VERSION="3.11.1"

RUN set -xe \
	&& REBAR3_DOWNLOAD_URL="https://github.com/erlang/rebar3/archive/${REBAR3_VERSION}.tar.gz" \
	&& REBAR3_DOWNLOAD_SHA256="a1822db5210b96b5f8ef10e433b22df19c5fc54dfd847bcaab86c65151ce4171" \
	&& mkdir -p /usr/src/rebar3-src \
	&& curl -fSL -o rebar3-src.tar.gz "$REBAR3_DOWNLOAD_URL" \
	&& echo "$REBAR3_DOWNLOAD_SHA256 rebar3-src.tar.gz" | sha256sum -c - \
	&& tar -xzf rebar3-src.tar.gz -C /usr/src/rebar3-src --strip-components=1 \
	&& rm rebar3-src.tar.gz \
	&& cd /usr/src/rebar3-src \
	&& HOME=$PWD ./bootstrap \
	&& install -v ./rebar3 /usr/local/bin/ \
	&& rm -rf /usr/src/rebar3-src

# elixir expects utf8.
ENV ELIXIR_VERSION="v1.9.0" \
	LANG=C.UTF-8

RUN set -xe \
	&& ELIXIR_DOWNLOAD_URL="https://github.com/elixir-lang/elixir/archive/${ELIXIR_VERSION}.tar.gz" \
	&& ELIXIR_DOWNLOAD_SHA256="dbf4cb66634e22d60fe4aa162946c992257f700c7db123212e7e29d1c0b0c487" \
	&& 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

# Install hex and rebar
RUN mix local.hex --force && \
    mix local.rebar --force

ENV MIX_ENV=prod

# Create the application build directory
RUN mkdir /app
WORKDIR /app

# Fetch dependencies
COPY mix.exs .
COPY mix.lock .
RUN mix deps.get
RUN mix deps.compile

# Copy over all the necessary application files and directories
COPY config/config.exs ./config/
COPY config/prod.exs ./config/
COPY config/releases.exs ./config/
COPY lib ./lib
COPY resources ./resources
COPY rel ./rel
CMD ["mix", "release", "--overwrite"]