FROM python:3.12-slim

ENV PYTHONDONTWRITEBYTECODE=1 \
    PYTHONUNBUFFERED=1

WORKDIR /app

COPY pyproject.toml README.md ./
COPY src ./src

RUN pip install --no-cache-dir --upgrade pip \
    && pip install --no-cache-dir .

RUN useradd --create-home --shell /usr/sbin/nologin appuser \
    && mkdir -p /app/data \
    && chown -R appuser:appuser /app

USER appuser

EXPOSE 8765

CMD ["updown-dashboard", "--host", "0.0.0.0", "--port", "8765"]