FROM python:3.12-slim

WORKDIR /app

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

# Copy the application
COPY compositecalc/ compositecalc/
COPY pyproject.toml .
COPY app.py .

# Install the package
RUN pip install --no-cache-dir -e .

# HF Spaces expects port 7860
EXPOSE 7860

CMD ["streamlit", "run", "app.py", "--server.port=7860", "--server.address=0.0.0.0", "--server.headless=true"]