fix: 优化docker 镜像

server/index.js

@@ -1,4 +1,6 @@
 const http = require('http')
+const path = require('path')
+const fs = require('fs')
 const express = require('express')
 const cors = require('cors')
 const { WebSocketServer } = require('ws')
@@ -8,6 +10,7 @@ const { getSituation } = require('./situationData')
 const app = express()
 const PORT = process.env.API_PORT || 3001
 
+app.set('trust proxy', 1)
 app.use(cors())
 app.use(express.json())
 app.use('/api', routes)
@@ -17,6 +20,17 @@ app.post('/api/crawler/notify', (_, res) => {
   res.json({ ok: true })
 })
 
+// 生产环境：提供前端静态文件
+const distPath = path.join(__dirname, '..', 'dist')
+if (fs.existsSync(distPath)) {
+  app.use(express.static(distPath))
+  app.get('*', (req, res, next) => {
+    if (!req.path.startsWith('/api') && req.path !== '/ws') {
+      res.sendFile(path.join(distPath, 'index.html'))
+    } else next()
+  })
+}
+
 const server = http.createServer(app)
 
 const wss = new WebSocketServer({ server, path: '/ws' })