Add logging. Use the normal PG ports.

multidb-pg-pgbouncer/postgresql.cpx11.conf

@@ -819,6 +819,14 @@ max_connections = 200			# (change requires restart)
 # CUSTOMIZED OPTIONS
 #------------------------------------------------------------------------------
 
+## Logging
+log_directory = '/var/log/postgresql'
+logging_collector = on
+log_filename = 'postgresql-%Y-%m-%d_%H%M%S.log'
+log_truncate_on_rotation = on
+log_rotation_age = 1d
+log_rotation_size = 10MB
+
 # Add settings for extensions here
 
 # OS Type: linux