update

nginx.conf

@@ -0,0 +1,21 @@
+server {
+    listen 80;
+    server_name _;
+
+    root /usr/share/nginx/html;
+    index index.html;
+
+    # 前端静态资源 / SPA 回退
+    location / {
+        try_files $uri $uri/ /index.html;
+    }
+
+    # 反向代理后端 API：浏览器走同源 /api，由 nginx 转发到 backend 容器
+    location /api/ {
+        proxy_pass http://backend:8090/;
+        proxy_set_header Host $host;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_set_header X-Forwarded-Proto $scheme;
+    }
+}