FROM alpine:latest

RUN apk add --no-cache --update \
    bind

EXPOSE 53/udp

COPY ddns.key /etc/bind/ddns.key
COPY db.0 /etc/bind/db.0
COPY db.127 /etc/bind/db.127
COPY db.255 /etc/bind/db.255
COPY db.empty /etc/bind/db.empty
COPY db.local /etc/bind/db.local
COPY db.root /etc/bind/db.root
COPY named.conf.default-zones /etc/bind/named.conf.default-zones
COPY zones.rfc1918 /etc/bind/zones.rfc1918

VOLUME ["/etc/bind/zones"]

CMD /usr/sbin/named -g -u named -d 11