serf/Dockerfile at master · overneath/serf · GitHub

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ARG ALPINE=alpine:3.9

FROM ${ALPINE} AS verify

RUN apk add --no-cache gnupg

ARG SERF_PGP_FINGERPRINT=91a6e7f85d05c65630bef18951852d87348ffc4c
ARG SERF_PLATFORM=linux_amd64
ARG SERF_VERSION=0.8.2

ADD https://keybase.io/hashicorp/pgp_keys.asc?fingerprint=${SERF_PGP_FINGERPRINT} /tmp/hashicorp.asc
ADD https://releases.hashicorp.com/serf/${SERF_VERSION}/serf_${SERF_VERSION}_SHA256SUMS /tmp
ADD https://releases.hashicorp.com/serf/${SERF_VERSION}/serf_${SERF_VERSION}_SHA256SUMS.sig /tmp
ADD https://releases.hashicorp.com/serf/${SERF_VERSION}/serf_${SERF_VERSION}_${SERF_PLATFORM}.zip /tmp

WORKDIR /tmp

RUN gpg --import hashicorp.asc
RUN gpg --verify serf_${SERF_VERSION}_SHA256SUMS.sig serf_${SERF_VERSION}_SHA256SUMS
RUN grep ${SERF_PLATFORM}.zip serf_${SERF_VERSION}_SHA256SUMS | sha256sum -cs

WORKDIR /opt/local/bin

RUN unzip /tmp/serf_${SERF_VERSION}_${SERF_PLATFORM}.zip

WORKDIR /opt/local/share/doc/serf

ADD https://raw.githubusercontent.com/hashicorp/serf/v${SERF_VERSION}/README.md .
ADD https://raw.githubusercontent.com/hashicorp/serf/v${SERF_VERSION}/CHANGELOG.md .

FROM scratch
COPY --from=verify /opt/local/ /opt/local/
ENV PATH /opt/local/bin
ENTRYPOINT ["serf"]
CMD ["help"]