FROM python:3.12-alpine

RUN apk --update add socat

WORKDIR /opt/chall
COPY app.py /opt/chall/app.py
RUN chmod +x /opt/chall/app.py
COPY flag.txt /flag.txt

RUN chown -R root:root /opt/chall/

CMD socat TCP-LISTEN:6000,reuseaddr,fork EXEC:"python3 /opt/chall/app.py",su=nobody