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Since go 1.18, built binaries also include VCS information such as the built commit. This information is also included in the official binaries. To ensure that the Docker container recreates the same binaries, the .git folder must also be transferred into the container. Thus, remove the .dockerignore file. The copied files must also be owned by the current user within the container, as git refuses to work otherwise.
18 lines
621 B
Text
18 lines
621 B
Text
# the official binaries are cross-built from Linux running on an AMD64 host
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# other architectures also seem to generate identical binaries but stay on the safe side
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FROM --platform=linux/amd64 restic/builder:latest as helper
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ARG TARGETOS
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ARG TARGETARCH
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COPY --chown=build . /restic
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RUN go run helpers/build-release-binaries/main.go --platform $TARGETOS/$TARGETARCH --skip-compress
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RUN mv /output/restic_${TARGETOS}_${TARGETARCH} /output/restic
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FROM alpine:latest
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COPY --from=helper /output/restic /usr/bin
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RUN apk add --update --no-cache ca-certificates fuse openssh-client tzdata jq
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ENTRYPOINT ["/usr/bin/restic"]
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