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pkg: Use multi-stage builds for the binfmt package

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Signed-off-by: Rolf Neugebauer <rolf.neugebauer@docker.com>
This commit is contained in:
Rolf Neugebauer
2017-04-25 14:54:54 +01:00
parent 35d8070abc
commit c6416ddecb
5 changed files with 38 additions and 77 deletions
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22
pkg/binfmt/Dockerfile
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@@ -1,3 +1,23 @@
FROM alpine:edge AS qemu-build
RUN \
apk update && apk upgrade && \
apk add \
qemu-aarch64 \
qemu-arm \
qemu-ppc64le \
&& true
FROM linuxkit/go-compile:4513068d9a7e919e4ec42e2d7ee879ff5b95b7f5@sha256:bdfadbe3e4ec699ca45b67453662321ec270f2d1a1dbdbf09625776d3ebd68c5 AS binfmt-build
COPY main.go main.go
RUN echo "gofmt..." && test -z $(gofmt -s -l main.go) && \
echo "go vet..." && test -z $(GOOS=linux go tool vet -printf=false main.go) && \
echo "golint..." && test -z $(golint main.go)
RUN go build -o usr/bin/binfmt -buildmode pie -ldflags "-s -w -extldflags -static" main.go
FROM scratch
COPY . ./
ENTRYPOINT []
WORKDIR /
COPY --from=qemu-build usr/bin/qemu-* usr/bin/
COPY --from=binfmt-build usr/bin/binfmt usr/bin/binfmt
COPY etc/binfmt.d/00_linuxkit.conf etc/binfmt.d/00_linuxkit.conf
CMD ["/usr/bin/binfmt", "-dir", "/etc/binfmt.d/", "-mount", "/binfmt_misc"]