build: add api server tracing bootstrap

server-rs/apps/api-server/src/main.rs

@@ -1,20 +1,26 @@
 mod app;
 mod config;
+mod logging;
 mod state;
 
 use tokio::net::TcpListener;
+use tracing::info;
 
-use crate::{app::build_router, config::AppConfig, state::AppState};
+use crate::{app::build_router, config::AppConfig, logging::init_tracing, state::AppState};
 
 #[tokio::main]
 async fn main() -> Result<(), std::io::Error> {
     // 统一先从配置对象读取监听地址，避免后续把环境变量读取散落到入口和路由层。
     let config = AppConfig::from_env();
+    init_tracing(&config)?;
+
     let bind_address = config.bind_socket_addr();
     let listener = TcpListener::bind(bind_address).await?;
 
     let state = AppState::new(config);
     let router = build_router(state);
 
+    info!(%bind_address, "api-server 已完成 tracing 初始化并开始监听");
+
     axum::serve(listener, router).await
 }