How to setup Postgres 13 WAL streaming replication on Ubuntu

I have 2 logical replication slots in Postgres 12 Suddenly one of them failed couple of days ago

Postgres replication slot size keeps growing even though Debezium is consuming the WAL This consequently causes to run out of disk space The problem is

postgresql replication slot No more configuration is needed on the secondary server Finally, we created a replication slot What is the purpose of a replication slot in PostgreSQL?

postgresql drop replication slot A replication slot is a feature in PostgreSQL that ensures that the master server will retain the WAL logs that are needed by the replicas