2022-01-21 23:23:55 +00:00
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FROM alpine:3.15.0
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2022-01-22 01:17:59 +00:00
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# Install required dependencies and build unbound (and install bind-tools for dig in healthcheck)
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RUN apk --update add --no-cache alpine-sdk bind-tools expat-dev git openssl-dev && \
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# Clone and build unbound source (https://github.com/NLnetLabs/unbound)
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git clone --depth 1 --branch 'release-1.14.0' https://github.com/NLnetLabs/unbound.git /tmp/unbound && \
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cd /tmp/unbound && \
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./configure && \
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make && \
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make install && \
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# Cleanup build tools
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2022-01-22 01:23:22 +00:00
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make clean && \
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2022-01-22 01:17:59 +00:00
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rm -rf /tmp/* && \
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apk del alpine-sdk expat-dev git openssl-dev
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2022-01-21 23:23:55 +00:00
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# Prepare unbound files
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COPY entrypoint.sh /
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RUN mkdir -p /srv/unbound
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COPY unbound.conf /srv/unbound/unbound.conf
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# Prepare
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2022-01-22 01:17:59 +00:00
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RUN adduser -S unbound --disabled-password
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2022-01-21 23:23:55 +00:00
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# Health
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HEALTHCHECK --interval=60s --timeout=3s --retries=2 \
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CMD dig ns1.gkcld.net @127.0.0.1 +dnssec || exit 1
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ENTRYPOINT ["sh", "/entrypoint.sh"]
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