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https://github.com/hanzoai/coredns-manager-operator.git
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zeekayandHanzo Dev
d694c44fba
go.mod declares `go 1.26.5` while the builder pinned a much older golang image.
The golang images set GOTOOLCHAIN=local, so the base can never fetch a newer
toolchain and the build dies at once:
go: go.mod requires go >= 1.26.5 (running go 1.x; GOTOOLCHAIN=local)
1.26.5 is also the current release — go.dev lists it as the newest stable, and
golang:latest and golang:1.26.5 are the same image (sha256:3aff6657219a4d9).
Image variant preserved; the target tag was verified to exist before the change.
Co-authored-by: Hanzo Dev <[email protected]>
34 lines
1.3 KiB
Docker
34 lines
1.3 KiB
Docker
# Build the manager binary
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FROM golang:1.26.5 as builder
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ARG TARGETOS
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ARG TARGETARCH
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WORKDIR /workspace
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# Copy the Go Modules manifests
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COPY go.mod go.mod
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COPY go.sum go.sum
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# cache deps before building and copying source so that we don't need to re-download as much
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# and so that source changes don't invalidate our downloaded layer
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RUN go mod download
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# Copy the go source
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COPY cmd/main.go cmd/main.go
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COPY api/ api/
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COPY internal/controller/ internal/controller/
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# Build
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# the GOARCH has not a default value to allow the binary be built according to the host where the command
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# was called. For example, if we call make docker-build in a local env which has the Apple Silicon M1 SO
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# the docker BUILDPLATFORM arg will be linux/arm64 when for Apple x86 it will be linux/amd64. Therefore,
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# by leaving it empty we can ensure that the container and binary shipped on it will have the same platform.
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RUN CGO_ENABLED=0 GOOS=${TARGETOS:-linux} GOARCH=${TARGETARCH} go build -a -o manager cmd/main.go
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# Use distroless as minimal base image to package the manager binary
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# Refer to https://github.com/GoogleContainerTools/distroless for more details
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FROM gcr.io/distroless/static:nonroot
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WORKDIR /
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COPY --from=builder /workspace/manager .
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USER 65532:65532
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ENTRYPOINT ["/manager"]
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