primary_conninfo = 'host = 127.0.0.1 port = 5432 user = postgres password = postgres'

FATAL:  could not connect to the primary server: FATAL:  no pg_hba.conf entry for replication connection from host "127.0.0.1", user "postgres", SSL off

host     all     all     0.0.0.0/0   trust
host    all             postgres             127.0.0.1/0               trust
# IPv6 local connections:
host    all             all             ::1/128                 md5
hostnossl    all     postgres    127.0.0.1/32    trust
# Allow replication connections from localhost, by a user with the
# replication privilege.
#host    replication     postgres        127.0.0.1/32            md5
#host    replication     postgres        ::1/128                 md5

host    replication    postgres             127.0.0.1/0               trust