FROM python:3.10-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 crypto_data_bank/requirements.txt /app/requirements.txt

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

# Copy application code
COPY crypto_data_bank/ /app/

# Create data directory for database
RUN mkdir -p /app/data

# Set environment variables
ENV PYTHONUNBUFFERED=1
ENV PORT=8888

# Expose port
EXPOSE 8888

# Health check
HEALTHCHECK --interval=30s --timeout=10s --start-period=60s --retries=3 \
  CMD python -c "import httpx; httpx.get('http://localhost:8888/api/health')" || exit 1

# Run the API Gateway
CMD ["python", "-u", "api_gateway.py"]