fix: replace pgbouncer setting

deploy/pgbouncer/pgbouncer.ini

@@ -0,0 +1,17 @@
+[databases]
+# 主业务库，经 PgBouncer 转发到 Postgres
+flower = host=postgres port=5432 dbname=flower pool_mode=session
+
+[pgbouncer]
+listen_addr = 0.0.0.0
+listen_port = 6432
+auth_type = md5
+auth_file = /etc/pgbouncer/userlist.txt
+pool_mode = session
+max_client_conn = 800
+default_pool_size = 40
+reserve_pool_size = 10
+stats_users = pgbouncer_stats
+ignore_startup_parameters = extra_float_digits
+log_connections = 0
+log_disconnections = 0

deploy/pgbouncer/userlist.txt

@@ -0,0 +1,2 @@
+"postgres" "md53175bce1d3201d16594cebf9d7eb3f9d"
+"pgbouncer_stats" "md5020ee831c95741b96bf72786eed800c1"