initial: first commit ever

Dockerfile

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+ARG ELIXIR_VERSION=1.17.2
+ARG OTP_VERSION=27.0.1
+ARG DEBIAN_VERSION=bookworm-20240812-slim
+
+ARG BUILDER_IMAGE="hexpm/elixir:${ELIXIR_VERSION}-erlang-${OTP_VERSION}-debian-${DEBIAN_VERSION}"
+ARG RUNNER_IMAGE="debian:${DEBIAN_VERSION}"
+
+FROM ${BUILDER_IMAGE} AS builder
+
+# install build dependencies
+RUN apt-get update -y \
+  && apt-get install -y \
+    build-essential \
+    git \
+    nodejs \
+  && apt-get clean \
+  && rm -f /var/lib/apt/lists/*_*
+
+# prepare build dir
+WORKDIR /app
+
+# install hex + rebar
+RUN mix do local.hex --force, local.rebar --force
+
+# set build ENV
+ARG BUILD_MIX_ENV=prod
+ENV MIX_ENV=${BUILD_MIX_ENV}
+
+# install mix dependencies
+COPY mix.exs mix.lock ./
+RUN mix deps.get --only ${BUILD_MIX_ENV}
+RUN mkdir config
+
+# copy compile-time config files before we compile dependencies
+# to ensure any relevant config change will trigger the dependencies
+# to be re-compiled.
+COPY config/config.exs config/${BUILD_MIX_ENV}.exs config/
+RUN mix deps.compile
+
+COPY priv priv
+
+COPY lib lib
+
+COPY assets assets
+
+# compile assets
+RUN mix assets.deploy
+
+# Compile the release
+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
+
+EXPOSE 4000
+
+# start a new build stage so that the final image will only contain
+# the compiled release and other runtime necessities
+FROM ${RUNNER_IMAGE}
+
+RUN apt-get update -y \
+  && apt-get install -y \
+    ca-certificates \
+    libncurses5 \
+    libstdc++6 \
+    locales \
+    openssl \
+    tini \
+  && apt-get clean \
+  && rm -f /var/lib/apt/lists/*_*
+
+# Set the locale
+RUN sed -i '/en_US.UTF-8/s/^# //g' /etc/locale.gen \
+  && locale-gen
+
+ENV LANG en_US.UTF-8
+ENV LANGUAGE en_US:en
+ENV LC_ALL en_US.UTF-8
+
+WORKDIR "/app"
+RUN chown nobody /app
+
+# set runner ENV
+ARG BUILD_MIX_ENV=prod
+ENV MIX_ENV=${BUILD_MIX_ENV}
+
+# Only copy the final release from the build stage
+COPY --from=builder --chown=nobody:root /app/_build/${BUILD_MIX_ENV}/rel/slax ./
+
+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
+EXPOSE 4000
+ENTRYPOINT ["tini", "--"]
+CMD ["/app/bin/server"]