32 lines
930 B
Docker
32 lines
930 B
Docker
FROM ruby:4.0-slim-bookworm
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RUN apt-get update && apt-get install -y --no-install-recommends \
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build-essential \
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libpq-dev \
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&& rm -rf /var/lib/apt/lists/*
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RUN groupadd -g 11000 bingo \
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&& useradd -d /app -u 21000 -g 11000 -m -s /bin/bash bingo
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WORKDIR /app
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USER bingo
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ENV GEM_HOME=/app/bundle
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ENV PATH="${GEM_HOME}/bin:${PATH}"
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COPY --chown=bingo Gemfile Gemfile.lock* ./
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ENV BUNDLE_FROZEN=true
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RUN bundle install --without development:test
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COPY --chown=bingo . .
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ENV PUMA_PORT=3000
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ENV PUMA_THREADS="4:16"
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ENV RACK_ENV=production
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EXPOSE 3000
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# Slim image has no curl; ruby is right there.
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HEALTHCHECK --interval=30s --timeout=5s --start-period=20s --retries=3 \
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CMD ruby -rnet/http -e 'port = ENV.fetch("PUMA_PORT", "3000"); exit(Net::HTTP.get_response(URI("http://127.0.0.1:#{port}/healthz")).code == "200" ? 0 : 1)'
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CMD ["sh", "-c", "exec puma -b tcp://0.0.0.0:${PUMA_PORT} -t ${PUMA_THREADS} --preload"]
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