I guess this is a good point, we all can easily have a cheap VPS/EC2 to speed up own docker image build. But maintaining a matrix of ARMv7, ARM64, X86/X64 inst

I guess this is a good point, we all can easily have a cheap VPS/EC2 to speed up own docker image build. But maintaining a matrix of ARMv7, ARM64, X86/X64 instances, it is much more work to do. Than a simple powerful x64 instance.