ARG VERSION_BIND="9.18.24-r0" FROM alpine:3.18.4 ARG VERSION_BIND RUN \ apk upgrade --no-cache; \ apk add --no-cache \ bind==${VERSION_BIND} \ supervisor; \ rm -f \ /etc/bind/named.conf.authoritative \ /etc/bind/named.conf.recursive \ /etc/bind/rndc.key; EXPOSE \ 53/tcp \ 53/udp # Others required? dnssec, secure updates, sone transfers DOT etc HEALTHCHECK --interval=30s --timeout=30s --start-period=5s --retries=3 CMD \ supervisorctl status || exit 1 COPY includes/ / RUN \ chown named:named -R /etc/bind; \ chmod 5771 /etc/bind; CMD [ "/usr/bin/supervisord", "-c", "/etc/supervisor/supervisord.conf" ] # CMD ["named", "-c", "/etc/bind/named.conf", "-g", "-u", "named"]