gatekeeper/Dockerfile at master · backmarket-oss/gatekeeper · GitHub

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FROM --platform=$BUILDPLATFORM golang:1.23-bookworm@sha256:441f59f8a2104b99320e1f5aaf59a81baabbc36c81f4e792d5715ef09dd29355 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 go build -mod vendor -a -ldflags "${LDFLAGS}" -o manager

FROM gcr.io/distroless/static-debian12@sha256:3f2b64ef97bd285e36132c684e6b2ae8f2723293d09aae046196cca64251acac

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