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# Find eligible builder and runner images on Docker Hub. We use Ubuntu/Debian instead of | |
# Alpine to avoid DNS resolution issues in production. | |
# | |
# https://hub.docker.com/r/hexpm/elixir/tags?page=1&name=ubuntu | |
# https://hub.docker.com/_/ubuntu?tab=tags | |
# | |
# | |
# This file is based on these images: | |
# | |
# - https://hub.docker.com/r/hexpm/elixir/tags - for the build image | |
# - https://hub.docker.com/_/debian?tab=tags&page=1&name=bullseye-20210902-slim - for the release image | |
# - https://pkgs.org/ - resource for finding needed packages | |
# - Ex: hexpm/elixir:1.13.4-erlang-24.0.1-debian-bullseye-20210902-slim | |
# | |
ARG ELIXIR_VERSION=1.14.2 | |
ARG OTP_VERSION=25.1 | |
ARG DEBIAN_VERSION=bullseye-20220801-slim | |
ARG BUILDER_IMAGE="hexpm/elixir:${ELIXIR_VERSION}-erlang-${OTP_VERSION}-debian-${DEBIAN_VERSION}" | |
ARG RUNNER_IMAGE="hexpm/elixir:${ELIXIR_VERSION}-erlang-${OTP_VERSION}-debian-${DEBIAN_VERSION}" | |
FROM ${BUILDER_IMAGE} as builder | |
# install build dependencies | |
RUN apt-get update -y && apt-get install -y build-essential git curl \ | |
&& apt-get clean && rm -f /var/lib/apt/lists/*_* | |
# prepare build dir | |
WORKDIR /app | |
# set build ENV | |
ENV MIX_ENV="prod" | |
ENV MIX_HOME="/app/.mix" | |
ENV EXS_DRY_RUN="true" | |
ENV MIX_INSTALL_DIR="/app/.mix" | |
ENV BUMBLEBEE_CACHE_DIR="/app/.bumblebee" | |
# install hex + rebar | |
RUN mix local.hex --force && \ | |
mix local.rebar --force | |
# install mix dependencies | |
COPY run.exs ./ | |
RUN elixir ./run.exs | |
# start a new build stage so that the final image will only contain | |
# the compiled release and other runtime necessities | |
FROM ${RUNNER_IMAGE} | |
# install build dependencies | |
RUN apt-get update -y && apt-get install -y build-essential git curl \ | |
&& apt-get clean && rm -f /var/lib/apt/lists/*_* | |
WORKDIR "/app" | |
# set runner ENV | |
ENV MIX_ENV="prod" | |
ENV MIX_HOME="/app/.mix" | |
ENV MIX_INSTALL_DIR="/app/.mix" | |
ENV BUMBLEBEE_CACHE_DIR="/app/.bumblebee" | |
ENV SHELL=/bin/bash | |
ENV PORT=7860 | |
EXPOSE 7860 | |
# Only copy the final release from the build stage | |
COPY --from=builder --chown=nobody:root /app/.mix/ ./.mix | |
COPY --from=builder --chown=nobody:root /app/.bumblebee/ ./.bumblebee | |
COPY --from=builder --chown=nobody:root /app/run.exs ./ | |
CMD ["elixir", "/app/run.exs"] | |