82 lines
2 KiB
Text
82 lines
2 KiB
Text
ARG ELIXIR_VERSION=1.18.4
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ARG OTP_VERSION=27.2.4
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ARG DEBIAN_VERSION=bullseye-20250520-slim
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ARG BUILDER_IMAGE="hexpm/elixir:${ELIXIR_VERSION}-erlang-${OTP_VERSION}-debian-${DEBIAN_VERSION}"
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# Use distroless base image - this includes glibc and essential libraries
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ARG RUNNER_IMAGE="gcr.io/distroless/cc-debian11:nonroot"
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FROM ${BUILDER_IMAGE} AS builder
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# install build dependencies
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RUN apt-get update -y && \
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apt-get upgrade -y && \
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apt-get install -y build-essential git && \
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apt-get clean && \
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rm -rf /var/lib/apt/lists/*
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# prepare build dir
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WORKDIR /app
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# install hex + rebar
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RUN mix local.hex --force && \
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mix local.rebar --force
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# set build ENV
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ENV MIX_ENV="prod"
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# install mix dependencies
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COPY mix.exs mix.lock ./
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RUN mix deps.get --only $MIX_ENV
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RUN mkdir config
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# copy compile-time config files before we compile dependencies
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COPY config/config.exs config/${MIX_ENV}.exs config/
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RUN mix deps.compile
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COPY priv priv
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COPY lib lib
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COPY assets assets
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# compile assets
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RUN mix assets.deploy
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# Compile the release
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RUN mix compile
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# Changes to config/runtime.exs don't require recompiling the code
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COPY config/runtime.exs config/
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COPY rel rel
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RUN mix release
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# Final distroless stage
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FROM ${RUNNER_IMAGE}
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# Set environment variables for production
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ENV MIX_ENV="prod" \
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LANG=C.UTF-8 \
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# Disable history files for security
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HISTFILE=/dev/null \
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# Set HOME to /tmp (writable in distroless)
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HOME=/tmp \
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# Configure Erlang VM
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ERL_AFLAGS="+S 1:1 +A 1 +K true" \
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PHX_SERVER=true
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WORKDIR /app
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# Copy the Elixir release from builder stage
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# nonroot user in distroless has UID 65532
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COPY --from=builder --chown=65532:65532 /app/_build/prod/rel/aprs ./
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# Add security metadata
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LABEL org.opencontainers.image.vendor="APRS.me" \
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org.opencontainers.image.title="APRS.me Server (Distroless)" \
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org.opencontainers.image.description="APRS.me server with distroless base" \
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security.distroless="true" \
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security.nonroot="true"
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# Run the server
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ENTRYPOINT ["/app/bin/server"]
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EXPOSE $PORT
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