# Copyright 2021 The Kubernetes Authors. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. # This file create the kube-apiserver image. ARG BASEIMAGE ARG SETCAP_IMAGE # we use the hosts platform to apply the capabilities to avoid the need # to setup qemu for the builder. FROM --platform=linux/$BUILDARCH ${SETCAP_IMAGE} ARG BINARY COPY ${BINARY} /${BINARY} # We apply cap_net_bind_service so that kube-apiserver can be run as # non-root and still listen on port less than 1024 RUN setcap cap_net_bind_service=+ep /${BINARY} FROM --platform=linux/$TARGETARCH ${BASEIMAGE} ARG BINARY COPY --from=0 /${BINARY} /usr/local/bin/${BINARY}