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Generating Go Bindings with Docker #180

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33 changes: 33 additions & 0 deletions Dockerfile-go
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FROM golang:1.9.3

RUN apt-get update && apt-get install -y unzip

RUN mkdir -p /csi
WORKDIR /csi

ENV PROTOC_VER 3.5.1
ENV PROTOC_ZIP protoc-$PROTOC_VER-linux-x86_64.zip
ENV PROTOC_URL_PFX https://github.com/google/protobuf/releases/download
ENV PROTOC_URL $PROTOC_URL_PFX/v$PROTOC_VER/$PROTOC_ZIP
ENV PROTOC_BIN bin/protoc
RUN curl -LO $PROTOC_URL && unzip $PROTOC_ZIP && chmod 0755 $PROTOC_BIN

RUN go get -u github.com/golang/protobuf/protoc-gen-go

COPY spec.md /csi

RUN cat spec.md | \
sed -n -e '/```protobuf$/,/```$/ p' | \
sed -e 's@^```.*$@////////@g' > csi.proto

RUN $PROTOC_BIN -I . --go_out=plugins=grpc:. csi.proto

FROM alpine:3.7
RUN mkdir /csi
WORKDIR /csi
COPY --from=0 /csi/csi.pb.go .
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Just a nit, you can name each stage with FROM golang:1.9.3 AS build and then use COPY --from=build

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Hi @cpuguy83,

Thanks! I've actually done that, but since this was a single stage being referenced I didn't care.

COPY --from=0 /csi/csi.proto .
COPY --from=0 /csi/spec.md .

CMD [ "csi.pb.go" ]
ENTRYPOINT [ "cat" ]