1ARG BUILDPLATFORM=linux/amd64
2
3# Precompile key slow-to-build dependencies
4FROM --platform=$BUILDPLATFORM golang:1.22-alpine as go-deps
5WORKDIR /linkerd-build
6COPY go.mod go.sum ./
7COPY bin/install-deps bin/
8RUN go mod download
9ARG TARGETARCH
10RUN ./bin/install-deps $TARGETARCH
11
12## compile tap
13FROM go-deps as golang
14WORKDIR /linkerd-build
15COPY pkg pkg
16# TODO: remove after https://github.com/linkerd/linkerd2/issues/5661
17COPY controller controller
18# TODO: remove when BuildResource is refactored
19# https://github.com/linkerd/linkerd2/issues/5589
20COPY viz/metrics-api/gen/viz viz/metrics-api/gen/viz
21COPY viz/tap viz/tap
22COPY viz/pkg viz/pkg
23
24ARG TARGETARCH
25RUN CGO_ENABLED=0 GOOS=linux GOARCH=$TARGETARCH go build -o /out/tap -tags prod -mod=readonly -ldflags "-s -w" ./viz/tap/cmd
26
27## package runtime
28FROM scratch
29COPY LICENSE /linkerd/LICENSE
30COPY --from=golang /out/tap /tap
31
32ENTRYPOINT ["/tap"]
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