NewsBlur/config/postgresql_recovery.conf

# Note that recovery.conf must be in $PGDATA directory.

# Specifies whether to start the server as a standby. In streaming replication,
# this parameter must to be set to on.
standby_mode          = 'on'

# Specifies a connection string which is used for the standby server to connect
# with the primary.
primary_conninfo      = 'host=db_pgsql port=5432 user=postgres'

# Specifies a trigger file whose presence should cause streaming replication to
# end (i.e., failover).
trigger_file = '/var/lib/postgresql/11/main/standby.trigger'

# Specifies a command to load archive segments from the WAL archive. If
# wal_keep_segments is a high enough number to retain the WAL segments
# required for the standby server, this may not be necessary. But
# a large workload can cause segments to be recycled before the standby
# is fully synchronized, requiring you to start again from a new base backup.
restore_command = 'rsync -a db_pgsql:/var/lib/postgresql/13/archive/%f "%p"'