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# Dockerfile for HuggingFace Spaces - Cidadão.AI Models
FROM python:3.11-slim

# Set environment variables
ENV PYTHONUNBUFFERED=1
ENV PYTHONDONTWRITEBYTECODE=1
ENV PORT=8001

# Install system dependencies
RUN apt-get update && apt-get install -y \
    curl \
    git \
    && rm -rf /var/lib/apt/lists/*

# Create app user for security
RUN useradd --create-home --shell /bin/bash app

# Set work directory
WORKDIR /app

# Copy requirements and install Python dependencies
COPY requirements-hf.txt ./
RUN pip install --no-cache-dir --upgrade pip && \
    pip install --no-cache-dir -r requirements-hf.txt

# Copy application code
COPY src/ ./src/
COPY app.py ./

# Create necessary directories and set permissions
RUN mkdir -p logs models data && \
    chown -R app:app /app

# Switch to app user
USER app

# Expose port for HuggingFace Spaces
EXPOSE 8001

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
    CMD curl -f http://localhost:8001/health || exit 1

# Run application
CMD ["python", "app.py"]