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# 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.
# Minimal Alpine Linux container with R for testing Arrow R package
# on musl libc (CRAN runs checks on Alpine Linux 3.22)
# Replicates CRAN's Alpine environment as closely as possible
ARG arch=amd64
FROM ${arch}/alpine:3.22
# Install R and essential build tools
# Note: bash is needed for Arrow CI scripts, even though CRAN's Alpine uses BusyBox
RUN apk add \
R \
R-dev \
R-doc \
bash \
checkbashisms \
cmake \
curl-dev \
g++ \
gcc \
git \
linux-headers \
make \
musl-locales \
openssl-dev \
pkgconfig \
zlib-dev && \
rm -rf /var/cache/apk/* && \
ln -s /usr/share/zoneinfo/Etc/UTC /etc/localtime && \
echo "Etc/UTC" > /etc/timezone
# Set locale and timezone
ENV LANG=C.UTF-8 \
LC_COLLATE=C \
MUSL_LOCPATH=/usr/share/i18n/locales/musl
# Set CRAN repo
RUN echo 'options(repos = c(CRAN = "https://cran.rstudio.com"))' >> /usr/lib/R/etc/Rprofile.site
# Install pak for package management (following rhub pattern)
RUN R -q -e 'install.packages("pak", repos = sprintf("https://r-lib.github.io/p/pak/%s/%s/%s/%s", "devel", .Platform$pkgType, R.Version()$os, R.Version()$arch))'
# Enable automatic system requirements installation
ENV PKG_SYSREQS=true \
R_PKG_SYSREQS2=true
# Set up parallel compilation
RUN echo "MAKEFLAGS=-j$(R -s -e 'cat(parallel::detectCores())')" >> /usr/lib/R/etc/Renviron.site
# Configure image and install Arrow-specific tooling
COPY ci/scripts/r_docker_configure.sh /arrow/ci/scripts/
COPY ci/etc/rprofile /arrow/ci/etc/
COPY ci/scripts/r_install_system_dependencies.sh /arrow/ci/scripts/
COPY ci/scripts/install_minio.sh /arrow/ci/scripts/
COPY ci/scripts/install_gcs_testbench.sh /arrow/ci/scripts/
RUN /arrow/ci/scripts/r_docker_configure.sh
# Install sccache
COPY ci/scripts/install_sccache.sh /arrow/ci/scripts/
RUN /arrow/ci/scripts/install_sccache.sh unknown-linux-musl /usr/local/bin
# Install R package dependencies
COPY ci/scripts/r_deps.sh /arrow/ci/scripts/
COPY r/DESCRIPTION /arrow/r/
RUN /arrow/ci/scripts/r_deps.sh /arrow
# Verify R works and this is musl
RUN R --version && ldd --version 2>&1 | grep -q musl
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