FROM python:3.11-slim

ENV PYTHONUNBUFFERED=1 \
    MCP_TRANSPORT=http \
    MCP_PORT=7860

WORKDIR /app

RUN useradd -m -u 1000 appuser

COPY requirements.txt /app/requirements.txt
RUN pip install --no-cache-dir -r /app/requirements.txt

COPY chemlib /app/chemlib
COPY app.py /app/app.py

RUN chown -R appuser:appuser /app
USER appuser

EXPOSE 7860

ENTRYPOINT ["python", "chemlib/mcp_output/start_mcp.py"]