diff --git a/build/lib/release.sh b/build/lib/release.sh index 58383cede7a..6e8e1ab2453 100644 --- a/build/lib/release.sh +++ b/build/lib/release.sh @@ -364,9 +364,14 @@ function kube::release::create_docker_images_for_server() { local base_image=${wrappable##*,} local binary_file_path="${binary_dir}/${binary_name}" local docker_build_path="${binary_file_path}.dockerbuild" - local docker_file_path="${KUBE_ROOT}/build/server-image/Dockerfile" local docker_image_tag="${docker_registry}/${binary_name}-${arch}:${docker_tag}" + local docker_file_path="${KUBE_ROOT}/build/server-image/Dockerfile" + # If this binary has its own Dockerfile use that else use the generic Dockerfile. + if [[ -f "${KUBE_ROOT}/build/server-image/${binary_name}/Dockerfile" ]]; then + docker_file_path="${KUBE_ROOT}/build/server-image/${binary_name}/Dockerfile" + fi + kube::log::status "Starting docker build for image: ${binary_name}-${arch}" ( rm -rf "${docker_build_path}" diff --git a/build/server-image/kube-apiserver/Dockerfile b/build/server-image/kube-apiserver/Dockerfile new file mode 100644 index 00000000000..6bbaf566754 --- /dev/null +++ b/build/server-image/kube-apiserver/Dockerfile @@ -0,0 +1,28 @@ +# Copyright 2021 The Kubernetes Authors. +# +# Licensed under the Apache License, Version 2.0 (the "License"); +# you may not use this file except in compliance with the License. +# You may obtain a copy of the License at +# +# http://www.apache.org/licenses/LICENSE-2.0 +# +# Unless required by applicable law or agreed to in writing, software +# distributed under the License is distributed on an "AS IS" BASIS, +# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +# See the License for the specific language governing permissions and +# limitations under the License. + +# This file create the kube-apiserver image. +ARG BASEIMAGE +# we use the hosts platform to apply the capabilities to avoid the need +# to setup qemu for the builder. +FROM --platform=linux/$BUILDARCH k8s.gcr.io/build-image/setcap:buster-v1.4.0 +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}