42 lines
1.4 KiB
Text
42 lines
1.4 KiB
Text
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# =============================================================================
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# News Service Dockerfile — Multi-stage build with NLTK data
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# =============================================================================
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FROM python:3.12-slim AS builder
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WORKDIR /build
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COPY trading-platform/news-service/requirements.txt ./
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RUN pip install --no-cache-dir --prefix=/install -r requirements.txt
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# Production stage
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FROM python:3.12-slim AS production
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# Install system dependencies
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RUN apt-get update && \
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apt-get install -y --no-install-recommends \
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gcc libpq-dev && \
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rm -rf /var/lib/apt/lists/*
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# Install Python dependencies from builder
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COPY --from=builder /install /usr/local
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# Download NLTK data for textblob
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RUN python -c "import nltk; nltk.download('punkt'); nltk.download('punkt_tab'); nltk.download('averaged_perceptron_tagger')"
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# Security: non-root user
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RUN useradd -m --system appuser
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# Copy application code
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WORKDIR /app
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COPY --chown=appuser:appuser trading-platform/news-service/app/ ./app/
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COPY --chown=appuser:appuser trading-platform/news-service/requirements.txt ./
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USER appuser
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# Health check
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HEALTHCHECK --interval=30s --timeout=5s --start-period=10s --retries=3 \
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CMD python -c "import urllib.request; urllib.request.urlopen('http://localhost:8002/health')" || exit 1
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EXPOSE 8002
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CMD ["uvicorn", "app.main:app", "--host", "0.0.0.0", "--port", "8002", "--workers", "4"]
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