FROM debian:bullseye-slim RUN set -eux; \ apt-get update; \ apt-get install -y --no-install-recommends \ pdns-server \ pdns-backend-bind \ sqlite3 \ bind9-dnsutils \ ; \ rm -rf /var/lib/apt/lists/* ADD start.sh / EXPOSE 53/tcp 53/udp VOLUME ["/var/lib/powerdns"] CMD /start.sh HEALTHCHECK CMD dig @127.0.0.1 || exit 1