mailcow/data/Dockerfiles/unbound/Dockerfile
2024-01-22 11:26:26 +01:00

31 lines
685 B
Docker

FROM alpine:3.18
LABEL maintainer "The Infrastructure Company GmbH GmbH <info@servercow.de>"
RUN apk add --update --no-cache \
curl \
bind-tools \
netcat-openbsd \
unbound \
bash \
openssl \
drill \
tzdata \
&& curl -o /etc/unbound/root.hints https://www.internic.net/domain/named.cache \
&& chown root:unbound /etc/unbound \
&& adduser unbound tty \
&& chmod 775 /etc/unbound
EXPOSE 53/udp 53/tcp
COPY docker-entrypoint.sh /docker-entrypoint.sh
# healthcheck (nslookup)
COPY healthcheck.sh /healthcheck.sh
RUN chmod +x /healthcheck.sh
HEALTHCHECK --interval=5s --timeout=30s CMD [ "/healthcheck.sh" ]
ENTRYPOINT ["/docker-entrypoint.sh"]
CMD ["/usr/sbin/unbound"]