1# Copyright 2015 gRPC 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 15FROM centos:7 16 17RUN yum install -y python3 18RUN yum install -y python3-devel 19RUN yum install -y epel-release 20RUN yum install -y python3-pip 21RUN python3 -m pip install --upgrade pip==19.3.1 22RUN python3 -m pip install -U virtualenv 23 24# The default gcc of CentOS 7 is gcc 4.8 which is older than gcc 5.1, 25# the minimum supported gcc version for gRPC Core so let's upgrade to 26# the oldest one that can build gRPC on Centos 7. 27RUN yum install -y centos-release-scl 28RUN yum install -y devtoolset-8-binutils devtoolset-8-gcc devtoolset-8-gcc-c++ 29 30# Activate devtoolset-8 by default 31# https://austindewey.com/2019/03/26/enabling-software-collections-binaries-on-a-docker-image/ 32RUN echo $'#!/bin/bash\n\ 33source scl_source enable devtoolset-8\n\ 34"$@"\n' > /usr/bin/entrypoint.sh 35RUN chmod +x /usr/bin/entrypoint.sh 36RUN cat /usr/bin/entrypoint.sh 37ENTRYPOINT [ "/usr/bin/entrypoint.sh" ] 38 39CMD ["/bin/bash"] 40