FROM python:3.13-slim

ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1

WORKDIR /app
COPY app.py /app/app.py

RUN useradd --uid 10020 --create-home --shell /usr/sbin/nologin dashboard

USER 10020:10020
EXPOSE 8099

CMD ["python", "/app/app.py"]