Github user ifilonenko commented on a diff in the pull request: https://github.com/apache/spark/pull/21584#discussion_r204713851 --- Diff: resource-managers/kubernetes/docker/src/main/dockerfiles/spark/bindings/R/Dockerfile --- @@ -0,0 +1,29 @@ +# +# Licensed to the Apache Software Foundation (ASF) under one or more +# contributor license agreements. See the NOTICE file distributed with +# this work for additional information regarding copyright ownership. +# The ASF licenses this file to You 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. +# + +ARG base_img +FROM $base_img +WORKDIR / +RUN mkdir ${SPARK_HOME}/R +COPY R ${SPARK_HOME}/R + +RUN apk add --no-cache R R-dev + --- End diff -- This is only for Python packaging. R does not have `/root/.cache` when created by alpine.
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