CentOS 7 for Life 😎

I know EL7 is EOL and I don't care, we will still use EL7 to build Linux binaries.

There are no security concerns for our usage.

src/scripts/Dockerfile.vfxplatform

@@ -1,8 +1,17 @@
 # VFX Reference Platform for Friction
 FROM centos:centos7.9.2009
 
+RUN sed -i s/mirror.centos.org/vault.centos.org/g /etc/yum.repos.d/*.repo
+RUN sed -i s/^#.*baseurl=http/baseurl=http/g /etc/yum.repos.d/*.repo
+RUN sed -i s/^mirrorlist=http/#mirrorlist=http/g /etc/yum.repos.d/*.repo
+
 RUN yum -y update
 RUN yum -y install centos-release-scl
+
+RUN sed -i s/mirror.centos.org/vault.centos.org/g /etc/yum.repos.d/*.repo
+RUN sed -i s/^#.*baseurl=http/baseurl=http/g /etc/yum.repos.d/*.repo
+RUN sed -i s/^mirrorlist=http/#mirrorlist=http/g /etc/yum.repos.d/*.repo
+
 RUN yum -y group install "Development Tools"
 RUN yum -y install pulseaudio-libs-devel wget rpmdevtools git yasm python3 fontconfig-devel zlib-devel autoconf automake xz devtoolset-7 llvm-toolset-7.0 tree curl libICE-devel libSM-devel libX11-devel libXau-devel libXdamage-devel libXext-devel libXfixes-devel libXi-devel libXxf86vm-devel libdrm-devel libxcb-devel mesa-libGL-devel xorg-x11-proto-devel xcb-proto libxcb-devel xcb-util-devel xcb-util-image-devel xcb-util-keysyms-devel xcb-util-renderutil-devel xcb-util-wm-devel xorg-x11-util-macros
 RUN ln -sf /usr/bin/python3 /usr/bin/python