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30 lines
935 B
Docker
30 lines
935 B
Docker
# We need the `fstrim` binary:
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FROM linuxkit/alpine:146f540f25cd92ec8ff0c5b0c98342a9a95e479e AS mirror
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RUN mkdir -p /out/etc/apk && cp -r /etc/apk/* /out/etc/apk/
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RUN apk add --no-cache --initdb -p /out \
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alpine-baselayout \
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busybox \
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util-linux
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# Remove apk residuals
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RUN rm -rf /out/etc/apk /out/lib/apk /out/var/cache
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# We also need the Go binary which calls it:
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RUN apk add --no-cache go musl-dev
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ARG GOPKGVERSION
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ENV ldflags="-X main.Version=$GOPKGVERSION"
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ENV GOPATH=/go PATH=$PATH:/go/bin
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# Hack to work around an issue with go on arm64 requiring gcc
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RUN [ $(uname -m) = aarch64 ] && apk add --no-cache gcc || true
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COPY . /go/src/trim-after-delete
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RUN go-compile.sh /go/src/trim-after-delete
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FROM scratch
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ENTRYPOINT []
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CMD []
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WORKDIR /
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COPY --from=mirror /out/ /
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COPY --from=mirror /go/bin/trim-after-delete /usr/bin/trim-after-delete
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CMD ["/usr/bin/trim-after-delete", "--", "/sbin/fstrim", "/var/lib/docker"]
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