Replication pgsql

master db -> 

postgresql.conf
listen_addresses = '*'
wal_level = replica
max_wal_senders = 10


CREATE ROLE replica_user WITH REPLICATION LOGIN PASSWORD 'pwd';


pg_hba.conf
host    replication     all             0.0.0.0/0               scram-sha-256




slave ->
rm -rf /var/lib/postgresql/12/main/*
pg_basebackup -h 10.200.200.4 -p 9005 -D /var/lib/postgresql/12/main/ -U replica_user -P -R -X stream -c fast #pwd

systemctl start postgresql


master -> 
SELECT * FROM pg_stat_replication;