gatekeeper/Dockerfile at master · robertbublik/gatekeeper · GitHub

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FROM --platform=$BUILDPLATFORM golang:1.23-bookworm@sha256:2341ddffd3eddb72e0aebab476222fbc24d4a507c4d490a51892ec861bdb71fc 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@sha256:69830f29ed7545c762777507426a412f97dad3d8d32bae3e74ad3fb6160917ea

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