The migration was a complete success, and three Mac Studios are fully up and running with replicate sharded clusters.
Finalizing some of the GraphQL solutions to build synced clients, and the VPNs/proxies etc. for it all. So that when the churches organization plugs them in everything will go to the DB with the fewest hops, and each MongoDB cluster will be completely up to date and constantly synced with the most current data.
The church has also asked about possibility of connecting to regional Atlas clusters as well for additional redundancy for pass through, considerations for Device Sync in the mobile apps in addition to the GraphQL Clients for React.Native.