2026-09-22 13:13:10 +02:00
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# syntax=docker/dockerfile:1
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FROM golang:1.25-alpine AS build
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WORKDIR /src
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# Cache module downloads (including the local certspotter fork's deps).
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COPY go.mod go.sum ./
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COPY third_party/certspotter/go.mod third_party/certspotter/go.sum ./third_party/certspotter/
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RUN go mod download
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COPY . .
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# Static binary: no cgo, no shell, no writable filesystem required.
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RUN CGO_ENABLED=0 GOOS=linux go build \
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-trimpath -ldflags="-s -w" \
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2026-09-22 17:48:30 +02:00
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-o /out/bucketeer ./cmd/bucketeer
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2026-09-22 13:13:10 +02:00
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FROM gcr.io/distroless/static-debian12:nonroot
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2026-09-22 17:48:30 +02:00
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COPY --from=build /out/bucketeer /bucketeer
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2026-09-22 13:13:10 +02:00
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USER nonroot:nonroot
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EXPOSE 9090
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2026-09-22 17:48:30 +02:00
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ENTRYPOINT ["/bucketeer"]
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