chessh/Dockerfile
2023-01-31 19:07:47 -07:00

86 lines
2.0 KiB
Docker

ARG ELIXIR_VERSION=1.14.0
ARG OTP_VERSION=25.2.1
ARG DEBIAN_VERSION=bullseye-20230109-slim
ARG BUILDER_IMAGE="hexpm/elixir:${ELIXIR_VERSION}-erlang-${OTP_VERSION}-debian-${DEBIAN_VERSION}"
ARG RUNNER_IMAGE="debian:${DEBIAN_VERSION}"
FROM ${BUILDER_IMAGE} as builder
# install build dependencies
RUN apt-get update -y && apt-get install -y build-essential git \
&& apt-get clean && rm -f /var/lib/apt/lists/*_*
# prepare build dir
WORKDIR /app
# install hex + rebar
RUN mix local.hex --force && \
mix local.rebar --force
# set build ENV
ENV MIX_ENV="prod"
# install mix dependencies
COPY mix.exs mix.lock ./
RUN mix deps.get --only $MIX_ENV
RUN mkdir config
# copy compile-time config files before we compile dependencies
# to ensure any relevant config change will trigger the dependencies
# to be re-compiled.
COPY config/config.exs config/${MIX_ENV}.exs config/
RUN mix deps.compile
COPY priv priv
# Compile the release
COPY lib lib
RUN mix compile
# Changes to config/runtime.exs don't require recompiling the code
COPY config/runtime.exs config/
#COPY rel rel
RUN mix release
# start a new build stage so that the final image will only contain
# the compiled release and other runtime necessities
FROM ${RUNNER_IMAGE}
RUN apt-get update -y && apt-get install -y libstdc++6 openssl libncurses5 locales redis \
&& apt-get clean && rm -f /var/lib/apt/lists/*_*
# Set the locale
RUN sed -i '/en_US.UTF-8/s/^# //g' /etc/locale.gen && locale-gen
ENV LANG en_US.UTF-8
ENV LANGUAGE en_US:en
ENV LC_ALL en_US.UTF-8
WORKDIR "/app"
RUN chown nobody /app
# set OTP_ROOT so elixir can find nodes
ENV OTP_ROOT=/app
COPY .hosts.erlang /app/.hosts.erlang
# set runner ENV
ENV MIX_ENV="prod"
# Only copy the final release from the build stage
COPY --from=builder --chown=nobody:root /app/_build/${MIX_ENV}/rel/chessh ./
COPY --from=builder --chown=nobody:root /app/priv /app/priv
USER nobody
# EPMD (elixir cluster)
EXPOSE 4369
# API
EXPOSE 8080
# CheSSH!
EXPOSE 34355
CMD /app/bin/chessh eval "Chessh.Release.migrate" && /app/bin/chessh start