FROM alpine:latest
COPY ./run.sh /opt/run.sh
RUN set -xe \
    && apk add --no-cache bind \ 
    && chmod +x /opt/run.sh

RUN mkdir -p /etc/bind 
RUN mkdir -p /var/cache/bind 
RUN mkdir -p /var/lib/bind 
RUN mkdir -p /var/log/bind
RUN mkdir -p /run/named

VOLUME ["/etc/bind", "/var/cache/bind", "/var/lib/bind", "/var/log"]
CMD ["/opt/run.sh"]
EXPOSE 53/udp 53/tcp 953/tcp