92 lines
2.8 KiB
Docker
92 lines
2.8 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 build-essential git curl \
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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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# Set build environment
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ENV MIX_ENV="prod"
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# Capture APRS parser git hash from GitHub API during build
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RUN curl -s https://api.github.com/repos/aprsme/aprs/commits/main | grep -o '"sha":"[^\"]*"' | head -1 | cut -d'"' -f4 | cut -c1-7 > /tmp/parser_hash.txt
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# Install dependencies
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COPY mix.exs mix.lock ./
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# Extract the hash from mix.lock and write to a file
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RUN grep -oE 'aprs.*ref,\\s*"([a-f0-9]+)"' mix.lock | grep -oE '[a-f0-9]{7,}' | head -1 > /tmp/aprs_hash.txt
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RUN mix deps.get --only $MIX_ENV
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RUN mix deps.compile
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# Copy application code
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COPY config config
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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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COPY rel rel
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# Compile assets
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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 ${RUNNER_IMAGE}
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# Install runtime dependencies
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RUN apt-get update -y && \
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apt-get install -y --no-install-recommends libstdc++6 openssl libncurses5 locales ca-certificates \
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&& apt-get clean && rm -rf /var/lib/apt/lists/*
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# Set locale
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RUN sed -i '/en_US.UTF-8/s/^# //g' /etc/locale.gen && locale-gen
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ENV LANG="en_US.UTF-8" LANGUAGE="en_US:en" LC_ALL="en_US.UTF-8"
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# Set working directory and create it
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WORKDIR "/app"
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RUN mkdir -p /app
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# Set deployment timestamp to current time during runtime container build
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RUN date -u +"%Y-%m-%dT%H:%M:%SZ" > /app/deployed_at.txt
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# Copy parser hash from builder stage
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COPY --from=builder /tmp/parser_hash.txt /app/parser_hash.txt
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# Set parser git hash environment variable for runtime
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RUN PARSER_HASH=$(cat /app/parser_hash.txt) && echo "PARSER_GIT_HASH=$PARSER_HASH" >> /etc/environment
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# In the runtime stage, after WORKDIR /app
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COPY --from=builder /tmp/aprs_hash.txt /app/aprs_hash.txt
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RUN echo "APRS_PARSER_HASH=$(cat /app/aprs_hash.txt)" >> /etc/environment
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ENV APRS_PARSER_HASH="unknown"
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# Copy release from builder
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COPY --from=builder --chown=nobody:root /app/release ./
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# Set ownership for the entire app directory
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RUN chown -R nobody:root /app
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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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# Optional: Add healthcheck
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HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
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CMD curl -f http://localhost:4000/health || exit 1
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