FROM ubuntu:22.04

ENV DEBIAN_FRONTEND=noninteractive

RUN apt-get update \
    && apt-get install -y --no-install-recommends python3 \
    && rm -rf /var/lib/apt/lists/*

WORKDIR /opt/checker
COPY main.py /opt/checker/main.py
EXPOSE 9090
ENTRYPOINT ["python3", "/opt/checker/main.py"]
