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Update runtime Dockerfile

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buttercat1791 2 months ago
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0e6a416c45
  1. 91
      Dockerfile

91
Dockerfile

@ -1,95 +1,40 @@
# 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?name=ubuntu
# https://hub.docker.com/_/ubuntu/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/tags?name=trixie-20260202-slim - for the release image
# - https://pkgs.org/ - resource for finding needed packages
# - Ex: docker.io/hexpm/elixir:1.17.3-erlang-27.3.4.7-debian-trixie-20260202-slim
#
ARG ELIXIR_VERSION=1.17.3 ARG ELIXIR_VERSION=1.17.3
ARG OTP_VERSION=27.3.4.7 ARG OTP_VERSION=27.3.4.7
ARG DEBIAN_VERSION=trixie-20260202-slim ARG DEBIAN_VERSION=trixie-20260202-slim
ARG BUILDER_IMAGE="docker.io/hexpm/elixir:${ELIXIR_VERSION}-erlang-${OTP_VERSION}-debian-${DEBIAN_VERSION}" FROM "docker.io/hexpm/elixir:${ELIXIR_VERSION}-erlang-${OTP_VERSION}-debian-${DEBIAN_VERSION}"
ARG RUNNER_IMAGE="docker.io/debian:${DEBIAN_VERSION}"
FROM ${BUILDER_IMAGE} AS builder # Install dependencies
# install build dependencies
RUN apt-get update \ RUN apt-get update \
&& apt-get install -y --no-install-recommends build-essential git cmake \ && apt-get install -y --no-install-recommends build-essential make gcc erlang-dev git autoconf automake libtool pkg-config \
&& rm -rf /var/lib/apt/lists/* && rm -rf /var/lib/apt/lists/*
# prepare build dir # Create a build directory and copy in the project files
WORKDIR /app WORKDIR /app
COPY . .
# install hex + rebar # Install Elixir application dependencies and run Ecto migrations
RUN mix local.hex --force \ RUN mix setup
&& mix local.rebar --force
# set build ENV
# TODO: Vary this by deployed environment via passed-in env var
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
COPY lib lib
# Compile the release
RUN mix compile
# Changes to config/runtime.exs don't require recompiling the code # Compile the application
COPY config/runtime.exs config/ RUN MIX_ENV=prod mix compile
COPY rel rel # Update the static Swagger documentation
RUN mix release RUN mix phx.swagger.generate
# start a new build stage so that the final image will only contain # Compile application static assets
# the compiled release and other runtime necessities RUN MIX_ENV=prod mix assets.deploy
FROM ${RUNNER_IMAGE} AS final
RUN apt-get update \
&& apt-get install -y --no-install-recommends libstdc++6 openssl libncurses6 locales ca-certificates \
&& rm -rf /var/lib/apt/lists/*
# Set the locale # Set the locale
RUN sed -i '/en_US.UTF-8/s/^# //g' /etc/locale.gen \
&& locale-gen
ENV LANG=en_US.UTF-8 ENV LANG=en_US.UTF-8
ENV LANGUAGE=en_US:en ENV LANGUAGE=en_US:en
ENV LC_ALL=en_US.UTF-8 ENV LC_ALL=en_US.UTF-8
WORKDIR "/app" # Run as the isidore-dev user
RUN chown nobody /app USER 1008
# set runner ENV # Set environment variables for the application
ENV PORT=4000
ENV MIX_ENV="prod" ENV MIX_ENV="prod"
# Only copy the final release from the build stage CMD ["mix", "phx.server"]
COPY --from=builder --chown=nobody:root /app/_build/${MIX_ENV}/rel/gc_index_relay ./
USER nobody
# If using an environment that doesn't automatically reap zombie processes, it is
# advised to add an init process such as tini via `apt-get install`
# above and adding an entrypoint. See https://github.com/krallin/tini for details
# ENTRYPOINT ["/tini", "--"]
CMD ["/app/bin/server"]

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