Graham McIntire
27ee859d3b
- Replace build-essential with specific packages (gcc, g++, make) - Remove curl from both builder and runtime stages - Remove Docker healthcheck (Kubernetes handles this) - Consolidate file copying to reduce layers - Remove redundant mkdir and chown commands - Add comprehensive .dockerignore file These changes reduce image size and build time significantly. Co-Authored-By: Claude <noreply@anthropic.com>
98 lines
2.5 KiB
Docker
98 lines
2.5 KiB
Docker
# Build arguments
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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 APP_NAME=aprs
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ARG BUILDER_IMAGE="hexpm/elixir:${ELIXIR_VERSION}-erlang-${OTP_VERSION}-debian-${DEBIAN_VERSION}"
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ARG RUNNER_IMAGE="debian:${DEBIAN_VERSION}"
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# Stage 1: Build Elixir release
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FROM ${BUILDER_IMAGE} AS builder
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# Install build dependencies
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ENV DEBIAN_FRONTEND=noninteractive
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RUN apt-get update -y && apt-get install -y --no-install-recommends \
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gcc \
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g++ \
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make \
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git \
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&& apt-get clean && rm -rf /var/lib/apt/lists/*
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# Prepare build directory
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WORKDIR /app
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# Install Hex and Rebar
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RUN mix local.hex --force && mix local.rebar --force
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# Install mix_gleam archive (required for Gleam compilation)
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RUN mix archive.install hex mix_gleam 0.6.2 --force
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# Set build environment
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ENV MIX_ENV="prod"
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# Install dependencies
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COPY mix.exs mix.lock ./
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# Copy vendor directory for local dependencies
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COPY vendor vendor
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RUN mix deps.get --only $MIX_ENV
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# Copy all application code
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COPY config config
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COPY lib lib
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COPY assets assets
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COPY priv priv
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COPY rel rel
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# Compile all dependencies
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RUN mix deps.compile
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# Manually compile the vendored aprs dependency
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RUN cd vendor/aprs && \
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MIX_ENV=prod mix compile && \
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mkdir -p ../../_build/prod/lib/aprs/ebin && \
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cp -r _build/prod/lib/aprs/ebin/* ../../_build/prod/lib/aprs/ebin/ && \
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cd ../..
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# Copy Gleam BEAM files before compiling the main app
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RUN mkdir -p _build/prod/lib/aprsme/ebin && \
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cp priv/gleam/*.beam _build/prod/lib/aprsme/ebin/ || true
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# Now compile the main application
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RUN mix compile
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# Compile assets using ESBuild and Tailwind (no Node.js needed)
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RUN mix assets.deploy
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# Compile and release
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RUN mix release --path /app/release
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# Stage 2: Runtime
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FROM ${RUNNER_IMAGE}
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# Install runtime dependencies
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RUN apt-get update -y && \
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apt-get install -y --no-install-recommends \
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libstdc++6 \
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openssl \
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libncurses5 \
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locales \
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ca-certificates \
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&& apt-get clean && rm -rf /var/lib/apt/lists/*
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# Set locale
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RUN sed -i '/en_US.UTF-8/s/^# //g' /etc/locale.gen && locale-gen
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ENV LANG="en_US.UTF-8" LANGUAGE="en_US:en" LC_ALL="en_US.UTF-8"
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# Set working directory
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WORKDIR "/app"
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# Set deployment timestamp to current time during runtime container build
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RUN date -u +"%Y-%m-%dT%H:%M:%SZ" > /app/deployed_at.txt
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# Copy release from builder with correct ownership
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COPY --from=builder --chown=nobody:root /app/release ./
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# Set user and command
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USER nobody
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CMD ["/app/bin/server"]
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