for kubebuilder

Dockerfile

# https://github.com/kubernetes-sigs/kubebuilder/blob/master/build/thirdparty/linux/Dockerfile
# https://github.com/kubernetes-sigs/kubebuilder/blob/2ea629ba2ebb791aefce579a1e6106caa084df8f/build/thirdparty/linux/Dockerfile

#  Copyright 2018 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.

# Fetch the following into binaries for linux and then host them in a tar.gz file in an alpine image
# - apiserver (fetch)
# - kubectl (fetch)
# - etcd (fetch)

FROM golang:1.11.2-stretch as linux
# Install tools
RUN apt update
RUN apt install rsync -y
RUN go get github.com/jteeuwen/go-bindata/go-bindata
ENV CGO 0
ENV DEST /usr/local/kubebuilder/bin/
RUN mkdir -p $DEST || echo ""

RUN curl -LO https://storage.googleapis.com/kubernetes-release/release/v1.13.5/bin/linux/amd64/kubectl
RUN chmod +x kubectl
RUN cp kubectl $DEST

RUN curl -LO https://dl.k8s.io/v1.13.5/kubernetes-server-linux-amd64.tar.gz
RUN tar xzf kubernetes-server-linux-amd64.tar.gz
RUN cp kubernetes/server/bin/kube-apiserver $DEST

ENV ETCD_VERSION="3.3.11"
ENV ETCD_DOWNLOAD_FILE="etcd-v${ETCD_VERSION}-linux-amd64.tar.gz"
RUN curl -LO https://github.com/coreos/etcd/releases/download/v${ETCD_VERSION}/etcd-v${ETCD_VERSION}-linux-amd64.tar.gz -o ${ETCD_DOWNLOAD_FILE}
RUN tar xzf ${ETCD_DOWNLOAD_FILE}
RUN cp etcd-v${ETCD_VERSION}-linux-amd64/etcd $DEST

WORKDIR /usr/local
RUN tar -czvf /kubebuilder_linux_amd64.tar.gz kubebuilder/

FROM alpine:3.7
COPY --from=linux /kubebuilder_linux_amd64.tar.gz /kubebuilder_linux_amd64.tar.gz