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* Docker: drop alpine Create a multistage docker build image that uses debian to install certs and then create the final image by using FROM: scratch. This creates a (slightly) smaller images and drops busybox and alpine. * Even less copying
13 lines
254 B
Docker
13 lines
254 B
Docker
FROM debian:stable-slim
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RUN apt-get update && apt-get -uy upgrade
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RUN apt-get -y install ca-certificates && update-ca-certificates
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FROM scratch
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COPY --from=0 /etc/ssl/certs /etc/ssl/certs
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ADD coredns /coredns
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EXPOSE 53 53/udp
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ENTRYPOINT ["/coredns"]
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