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FROM python:3.9-slim
WORKDIR /app
# Install system dependencies
RUN apt-get update && apt-get install -y \
build-essential \
&& rm -rf /var/lib/apt/lists/*
# Create directories with secure permissions
RUN mkdir -p cache/huggingface vector_store chat_history \
&& chown -R 1000:1000 . \
&& chmod -R 755 .
# Copy requirements first for better caching
COPY requirements.txt .
RUN pip install --no-cache-dir -r requirements.txt
# Copy only necessary files
COPY app.py .
COPY .env .
COPY index.html .
# Set environment variables
ENV HF_HOME=/app/cache/huggingface
ENV HUGGINGFACE_HUB_CACHE=/app/cache/huggingface
ENV XDG_CACHE_HOME=/app/cache
ENV PORT=8000
# Set permissions
RUN chown -R 1000:1000 /app \
&& find /app -type d -exec chmod 755 {} \; \
&& find /app -type f -exec chmod 644 {} \;
# Run as non-privileged user
USER 1000
# Health check
HEALTHCHECK --interval=30s --timeout=30s --start-period=5s --retries=3 \
CMD curl -f http://localhost:8000/health || exit 1
EXPOSE 8000
# Use a startup script
CMD ["uvicorn", "app:app", "--host", "0.0.0.0", "--port", "8000", "--timeout-keep-alive", "120"]
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