
Refering to the [Official Docker Docs](`https://docs.docker.com/reference/dockerfile/#label`), clearly said the format of LABEL is `LABEL <key>=<value> <key>=<value> <key>=<value> ...`.
30 lines
666 B
Docker
30 lines
666 B
Docker
FROM alpine:3.20
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LABEL maintainer = "The Infrastructure Company GmbH <info@servercow.de>"
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RUN apk add --update --no-cache \
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curl \
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bind-tools \
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unbound \
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bash \
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openssl \
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drill \
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tzdata \
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&& curl -o /etc/unbound/root.hints https://www.internic.net/domain/named.cache \
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&& chown root:unbound /etc/unbound \
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&& adduser unbound tty \
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&& chmod 775 /etc/unbound
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EXPOSE 53/udp 53/tcp
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COPY docker-entrypoint.sh /docker-entrypoint.sh
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# healthcheck (dig, ping)
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COPY healthcheck.sh /healthcheck.sh
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RUN chmod +x /healthcheck.sh
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HEALTHCHECK --interval=30s --timeout=30s CMD [ "/healthcheck.sh" ]
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ENTRYPOINT ["/docker-entrypoint.sh"]
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CMD ["/usr/sbin/unbound"]
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