FROM python:3.11-slim

WORKDIR /app

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

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

# Install numpy and pandas first to avoid dependency conflicts
RUN pip install --no-cache-dir numpy==1.24.3 pandas==2.0.3 scipy==1.11.1

# Install the rest of the requirements
RUN pip install --no-cache-dir -r requirements.txt

# Copy application code
COPY . .

# Expose port
EXPOSE 7860

# Health check
HEALTHCHECK --interval=30s --timeout=30s --start-period=5s --retries=3 \
    CMD curl -f http://localhost:7860/status || exit 1

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