custom-kube-scheduler/kubernetes-v1.15.4/build/debian-base/clean-install

#!/bin/sh

# Copyright 2017 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.

# A script encapsulating a common Dockerimage pattern for installing packages
# and then cleaning up the unnecessary install artifacts.
# e.g. clean-install iptables ebtables conntrack

set -o errexit

if [ $# = 0 ]; then
  echo >&2 "No packages specified"
  exit 1
fi

apt-get update
apt-get install -y --no-install-recommends $@
apt-get clean -y
rm -rf \
   /var/cache/debconf/* \
   /var/lib/apt/lists/* \
   /var/log/* \
   /tmp/* \
   /var/tmp/*