gatekeeper/Dockerfile at master · aqstack/gatekeeper · GitHub

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FROM --platform=$BUILDPLATFORM golang:1.25-trixie@sha256:8e8f9c84609b6005af0a4a8227cee53d6226aab1c6dcb22daf5aeeb8b05480e1 AS builder

ARG TARGETPLATFORM
ARG TARGETOS
ARG TARGETARCH
ARG TARGETVARIANT=""
ARG LDFLAGS
ARG BUILDKIT_SBOM_SCAN_STAGE=true

ENV GO111MODULE=on \
    CGO_ENABLED=0 \
    GOOS=${TARGETOS} \
    GOARCH=${TARGETARCH} \
    GOARM=${TARGETVARIANT}

WORKDIR /go/src/github.com/open-policy-agent/gatekeeper
COPY . .

RUN \
    --mount=type=cache,target=/go/pkg/mod \
    --mount=type=cache,target=/root/.cache/go-build \
    go build -a -ldflags "${LDFLAGS}" -o manager

FROM gcr.io/distroless/static-debian12@sha256:4b2a093ef4649bccd586625090a3c668b254cfe180dee54f4c94f3e9bd7e381e

WORKDIR /
COPY --from=builder /go/src/github.com/open-policy-agent/gatekeeper/manager .
USER 65532:65532
ENTRYPOINT ["/manager"]