This article is to summarize some problems and solutions in the context of PostgresSQL HA. In my setup, I’m using the database on a Kubernetes cluster.1. Problem:Solution:Most likely you have a wrong PostgreSQL replication manager version. Change the version by changing the docker image.Instead of version 11.13.0-debian-10-r0 use a version 11.12.0-debian-10-r0. And try if the problem consists. For an overview of the available version use https://hub.docker.com/r/bitnami/postgresql-repmgr/tags .2.
