feat: add graceful api shutdown readiness

deploy/container/nginx.conf

@@ -190,7 +190,7 @@ http {
             proxy_set_header X-Request-Id $request_id;
         }
 
-        location ~ ^/(generated-|healthz) {
+        location ~ ^/(generated-|healthz|readyz) {
             return 404;
         }
 

deploy/env/api-server.env.example

@@ -11,6 +11,7 @@ GENARRATIVE_API_MAX_CONCURRENT_REQUESTS=512
 GENARRATIVE_API_GALLERY_MAX_CONCURRENT_REQUESTS=320
 GENARRATIVE_API_DETAIL_MAX_CONCURRENT_REQUESTS=64
 GENARRATIVE_API_ADMIN_MAX_CONCURRENT_REQUESTS=16
+GENARRATIVE_API_SHUTDOWN_OUTBOX_FLUSH_TIMEOUT_MS=5000
 GENARRATIVE_TRACKING_OUTBOX_ENABLED=true
 GENARRATIVE_TRACKING_OUTBOX_DIR=/var/lib/genarrative/tracking-outbox
 GENARRATIVE_TRACKING_OUTBOX_BATCH_SIZE=500

deploy/nginx/genarrative-dev-http.conf

@@ -215,7 +215,7 @@ server {
     }
 
     # 开发服仍不恢复旧生成资源代理和健康检查公网入口。
-    location ~ ^/(generated-|healthz) {
+    location ~ ^/(generated-|healthz|readyz) {
         return 404;
     }
 

deploy/nginx/genarrative.conf

@@ -235,7 +235,7 @@ server {
     }
 
     # 生产公网不再暴露旧生成资源代理和健康检查入口。
-    location ~ ^/(generated-|healthz) {
+    location ~ ^/(generated-|healthz|readyz) {
         return 404;
     }
 

deploy/systemd/genarrative-api.service

@@ -14,7 +14,7 @@ ExecStart=/opt/genarrative/current/api-server
 Restart=always
 RestartSec=5
 KillSignal=SIGINT
-TimeoutStopSec=30
+TimeoutStopSec=90
 LimitNOFILE=65535
 TasksMax=2048