22 lines
678 B
Docker
22 lines
678 B
Docker
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FROM alpine:latest
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EXPOSE 53 53/udp
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RUN apk --update add bind
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RUN mkdir -m 0755 -p /var/run/named && chown -R root:named /var/run/named
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# /var/cache/bind needs to be owned by "bind"
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# since we are mounting, do it manually
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# NOTE: Per Dockerfile manual --> need to mkdir the mounted dir to chown
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RUN mkdir -m 0755 -p /var/cache/bind && touch /var/cache/bind/docker-init && chown -R named:named /var/cache/bind
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# Mounts
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# NOTE: Per Dockerfile manual -->
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# "if any build steps change the data within the volume
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# after it has been declared, those changes will be discarded."
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VOLUME ["/etc/bind"]
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VOLUME ["/var/cache/bind"]
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COPY entrypoint.sh /
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ENTRYPOINT ["/entrypoint.sh"]
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