修改服务启动逻辑

back/services/http.ts

@@ -0,0 +1,53 @@
+import express from 'express';
+import Logger from '../loaders/logger';
+import { metricsService } from './metrics';
+import { Service } from 'typedi';
+import { Server } from 'http';
+
+@Service()
+export class HttpServerService {
+  private server?: Server = undefined;
+
+  async initialize(expressApp: express.Application, port: number) {
+    try {
+      return new Promise((resolve, reject) => {
+        this.server = expressApp.listen(port, '0.0.0.0', () => {
+          Logger.debug(`✌️ HTTP service started successfully`);
+          metricsService.record('http_service_start', 1, {
+            port: port.toString(),
+          });
+          resolve(this.server);
+        });
+
+        this.server.on('error', (err: Error) => {
+          Logger.error('Failed to start HTTP service:', err);
+          reject(err);
+        });
+      });
+    } catch (err) {
+      Logger.error('Failed to start HTTP service:', err);
+      throw err;
+    }
+  }
+
+  async shutdown() {
+    try {
+      if (this.server) {
+        await new Promise((resolve) => {
+          this.server?.close(() => {
+            Logger.debug('HTTP service stopped');
+            metricsService.record('http_service_stop', 1);
+            resolve(null);
+          });
+        });
+      }
+    } catch (err) {
+      Logger.error('Error while shutting down HTTP service:', err);
+      throw err;
+    }
+  }
+
+  getServer() {
+    return this.server;
+  }
+}