FROM python:3.10-slim

# Set working directory
WORKDIR /app

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

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

# Copy application code
COPY app.py .
COPY simulation_utils.py .
COPY data/ ./data/
COPY static/ ./static/

# Expose port
EXPOSE 7860

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