ARG BASE_IMAGE=localhost/monok8s/ctl-build-base:dev FROM ${BASE_IMAGE} AS build WORKDIR /src RUN GOBIN=/usr/local/bin go install sigs.k8s.io/controller-tools/cmd/controller-gen@v0.20.1 COPY . . RUN mkdir -p /out && \ controller-gen crd paths=./pkg/apis/... output:crd:dir=/out FROM scratch COPY --from=build /out/ /