fix(handlers): add handlers

src/db/mod.rs

@@ -1,13 +1,14 @@
+use crate::config::AppConfig;
 use sqlx::postgres::{PgPool, PgPoolOptions};
 use std::time::Duration;
 
 /// 初始化数据库连接池
-pub async fn init_pool(database_url: &str) -> Result<PgPool, sqlx::Error> {
+pub async fn init_pool(config: &AppConfig) -> Result<PgPool, sqlx::Error> {
     PgPoolOptions::new()
-        .max_connections(20) // 根据服务器规格调整，IAM服务通常并发高
-        .min_connections(5)
+        .max_connections(config.db_max_connections)
+        .min_connections(config.db_min_connections)
         .acquire_timeout(Duration::from_secs(3)) // 获取连接超时时间
-        .connect(database_url)
+        .connect(&config.database_url)
         .await
 }