# Trading System Dockerfile
FROM python:3.11-slim

# Set working directory
WORKDIR /app

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

# Copy requirements first for better caching
COPY requirements.txt .

# Install Python dependencies
RUN pip install --no-cache-dir -r requirements.txt

# Copy source code
COPY . .

# Create logs directory
RUN mkdir -p logs

# Create non-root user for security
RUN useradd -m -u 1000 trader && \
    chown -R trader:trader /app
USER trader

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
    CMD python3 -c "import sys; sys.path.append('src'); from src.data_handler import DataHandler; DataHandler().get_latest_price('AAPL')" || exit 1

# Default command
CMD ["python3", "main.py", "--mode", "paper"]