These scripts demonstrate the command line interface, CLI, pg_rewind re-provisioning a formerly deprecated PRIMARY host, pg1, into a viable STANDBY. Although the scripts have been written expressly for a custom-made set of two Linux containers using CENTOS7, it has been written in a form that is hopefully clear and concise enough that they can be [&]

https://www.percona.com/blog/2021/04/22/demonstrating-pg_rewind-using-linux-containers-in-postgresql/