增加数据库慢查询观测与索引防线并收窄打手拼单分页查询

docker-compose.yml

@@ -7,6 +7,17 @@ x-json-log-rotation: &json-log-rotation
 services:
   postgres:
     image: docker.m.daocloud.io/library/postgres:16-bookworm
+    # 开启 pg_stat_statements，便于定位生产环境累计最耗时的 SQL。
+    command:
+      [
+        "postgres",
+        "-c",
+        "shared_preload_libraries=pg_stat_statements",
+        "-c",
+        "pg_stat_statements.track=all",
+        "-c",
+        "log_min_duration_statement=${POSTGRES_LOG_MIN_DURATION_STATEMENT_MS:-500}",
+      ]
     restart: unless-stopped
     logging: *json-log-rotation
     environment: