Dockerfile

# ============================================
# Quant Hedge Fund - Dockerfile
# ============================================
# Multi-stage build for production deployment

FROM python:3.11-slim as builder

WORKDIR /app

# Install build dependencies
RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential \
    && rm -rf /var/lib/apt/lists/*

# Copy requirements first for caching
COPY requirements.txt .
RUN pip install --no-cache-dir --user -r requirements.txt

# Production stage
FROM python:3.11-slim

WORKDIR /app

# Copy installed packages from builder
COPY --from=builder /root/.local /root/.local
ENV PATH=/root/.local/bin:$PATH

# Copy application code
COPY . .

# Create necessary directories
RUN mkdir -p data logs data/cache data/outputs

# Expose ports
# Streamlit Dashboard
EXPOSE 8501
# MLflow
EXPOSE 5050
# Luigi
EXPOSE 8082
# Prefect
EXPOSE 4200

# Environment variables
ENV PYTHONPATH=/app
ENV PYTHONUNBUFFERED=1

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
    CMD python -c "import qsconnect; print('OK')" || exit 1

# Default command: Start dashboard
CMD ["streamlit", "run", "dashboard/app.py", "--server.port=8501", "--server.address=0.0.0.0"]