Google Cloud Platform posted an online guide for building a render farm using its scalable architecture.
GCP is now enabling render applications to scale from 2- or 4-core VMs all the way to a 160-core VM with up to 3844 GB of RAM. Up to 8 GPUs may be attached to any VM to create a GPU farm.
https://cloud.google.com/blog/products/gcp/building-a-hybrid-render-farm-on-gcp-new-guide-available