FROM centos:8

# Fix up CentOS repo info, which is outdated and not maintained in DockerHub.
# See https://stackoverflow.com/a/71309215
RUN cd /etc/yum.repos.d/
RUN sed -i 's/mirrorlist/#mirrorlist/g' /etc/yum.repos.d/CentOS-*
RUN sed -i 's|#baseurl=http://mirror.centos.org|baseurl=http://vault.centos.org|g' /etc/yum.repos.d/CentOS-*

# Install utilities, libraries, and dev tools.
RUN yum install -y \
        which \
        c-ares-devel libatomic \
        cmake gcc-toolset-9-gcc gcc-toolset-9-gcc-c++ git python3

# CentOS 8 is old, and the g++ version installed doesn't automatically link the
# C++ filesystem library as it should.  Activate a newer dev environment.
ENV PATH="/opt/rh/gcc-toolset-9/root/usr/bin:$PATH"

# Build and run this docker by mapping shaka-packager with
# -v "shaka-packager:/shaka-packager".