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coredns/docker/Dockerfile

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FROM alpine:latest
MAINTAINER Miek Gieben <miek@coredns.io> @miekg
# only need ca-certificates & openssl if want to use https_google
RUN apk --update add bind-tools ca-certificates openssl && update-ca-certificates && rm -rf /var/cache/apk/*
ARG COREDNS_VERSION=latest
RUN echo build coredns v$COREDNS_VERSION
ADD https://github.com/coredns/coredns/releases/download/v${COREDNS_VERSION}/coredns_${COREDNS_VERSION}_linux_x86_64.tgz /
RUN tar -xzf coredns_${COREDNS_VERSION}_linux_x86_64.tgz && rm coredns_${COREDNS_VERSION}_linux_x86_64.tgz
EXPOSE 53 53/udp
ENTRYPOINT ["/coredns"]