FROM ubuntu:24.04

RUN apt-get update && \
    apt-get install -y \
        bind9 \
        vim \
        nano \
        dnsutils \
        tcpdump \
        traceroute \
        && rm -rf /var/lib/apt/lists/*

COPY start.sh /start.sh
EXPOSE 53
CMD ["/bin/sh", "/start.sh"]