2023-05-26 15:57:25 +02:00
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ARG DEBIAN_IMAGE=debian:stable-slim
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2024-11-13 00:40:01 +01:00
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ARG BASE=gcr.io/distroless/static-debian12:nonroot
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2016-04-13 20:14:13 +01:00
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2025-11-09 07:32:23 +13:00
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FROM --platform=$BUILDPLATFORM ${DEBIAN_IMAGE} AS build
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ARG DEBIAN_FRONTEND=noninteractive
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RUN apt-get -qq update \
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&& apt-get -qq --no-install-recommends install libcap2-bin
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2023-03-20 19:49:59 +05:30
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COPY coredns /coredns
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RUN setcap cap_net_bind_service=+ep /coredns
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2016-04-13 20:14:13 +01:00
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2025-11-09 07:32:23 +13:00
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FROM ${BASE}
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2023-03-20 19:49:59 +05:30
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COPY --from=build /coredns /coredns
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USER nonroot:nonroot
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2025-08-05 11:54:18 +12:00
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# Reset the working directory inherited from the base image back to the expected default:
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# https://github.com/coredns/coredns/issues/7009#issuecomment-3124851608
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2024-10-01 18:12:19 +02:00
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WORKDIR /
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2016-04-13 20:14:13 +01:00
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EXPOSE 53 53/udp
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ENTRYPOINT ["/coredns"]
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