FROM alpine:edge
LABEL maintainer="Mike Crute <mike@crute.us>"

RUN set -euxo pipefail; \
    apk add --no-cache \
        bind \
        bind-tools \
        gettext \
    ; \
    rm -rf /etc/bind/*; \
    mkdir -p /etc/bind/local; \
    ln -s /usr/share/dnssec-root/bind-dnssec-root.keys /etc/bind/bind.keys; \
    \
    curl -o /etc/bind/db.root https://www.internic.net/domain/named.cache;

ADD conf/ /etc/bind/
ADD bind_bootstrap /
ADD zones.yaml /etc/bind/zones.yaml

RUN set -euxo pipefail; \
    chown -R named:named /etc/bind;

ENTRYPOINT [ "/bind_bootstrap" ]
CMD [ "/usr/sbin/named", "-u", "named", "-g" ]