k8s.io/kubernetes@v1.31.0-alpha.0.0.20240520171757-56147500dadc/cluster/images/etcd/Dockerfile (about)

     1  # Copyright 2016 The Kubernetes Authors.
     2  #
     3  # Licensed under the Apache License, Version 2.0 (the "License");
     4  # you may not use this file except in compliance with the License.
     5  # You may obtain a copy of the License at
     6  #
     7  #     http://www.apache.org/licenses/LICENSE-2.0
     8  #
     9  # Unless required by applicable law or agreed to in writing, software
    10  # distributed under the License is distributed on an "AS IS" BASIS,
    11  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  # See the License for the specific language governing permissions and
    13  # limitations under the License.
    14  
    15  ARG BASEIMAGE
    16  ARG RUNNERIMAGE
    17  
    18  FROM ${BASEIMAGE} as builder
    19  
    20  # This image needs bash for running "migrate-if-needed.sh". Instead of a full debian image
    21  # we use just the bash-static and we wrap bash-static into a distroless image instead of
    22  # a full debian image
    23  RUN apt-get update -y \
    24  	&& apt-get -yy -q install --no-install-recommends --no-install-suggests --fix-missing \
    25  		bash-static
    26  
    27  RUN cp /bin/bash-static /sh
    28  
    29  FROM ${RUNNERIMAGE}
    30  WORKDIR /
    31  
    32  COPY --from=builder /sh /bin/
    33  
    34  EXPOSE 2379 2380 4001 7001
    35  # etcdctl is used by etcd.manifest for livenessProbe.
    36  COPY etcd* etcdctl* /usr/local/bin/
    37  COPY migrate-if-needed.sh migrate /usr/local/bin/