dc exec postgresql psql "user=cookbook replication=database"

IDENTIFY_SYSTEM;
CREATE_REPLICATION_SLOT test LOGICAL wal2json;
START_REPLICATION SLOT test 0/0000000

https://www.postgresql.org/docs/14/protocol-replication.html
https://github.com/postgres/postgres/blob/master/src/bin/pg_basebackup/pg_recvlogical.c
https://github.com/kibae/pg-logical-replication/blob/master/index.js
https://github.com/eulerto/wal2json