FROM alpine:latest

RUN apk add \
    bash \
    bind \
    bind-tools \
    execline \
    nano \
    nano-syntax \
    openssl \
    s6-overlay \
    vim

RUN install -o named -g root -m 0755 -d /var/db/bind
COPY --chown=named:root etc/bind/named.conf /etc/bind/named.conf
COPY --chown=named:root zones /etc/bind/zones

COPY etc/s6-overlay /etc/s6-overlay

ENTRYPOINT ["/init"]