supavisor

https://github.com/supabase/supavisor

Supavisor is a scalable, cloud-native Postgres connection pooler. A Supavisor cluster is capable of proxying millions of Postgres end-client connections into a stateful pool of native Postgres database connections.

For database managers, Supavisor simplifies the task of managing Postgres clusters by providing easy configuration of highly available Postgres clusters