FROM python:3.12-slim

RUN apt-get update && apt-get install -y --no-install-recommends \
    skopeo \
    && rm -rf /var/lib/apt/lists/*

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

COPY check_versions.py .

CMD ["python", "check_versions.py"]