增加docker配置

Change-Id: I9fa70e1256227f84973fc1bf5d5175e57f5cd225
diff --git a/nginx.conf b/nginx.conf
new file mode 100644
index 0000000..a2b5e67
--- /dev/null
+++ b/nginx.conf
@@ -0,0 +1,24 @@
+upstream backend {
+    server backend:5004;  # 保持不变(Docker Compose中服务名即容器间通信域名)
+}
+
+server {
+    listen 3004;  # 修改为Docker Compose中映射的前端端口(与docker-compose.yml保持一致)
+    server_name _;  # 允许所有域名访问
+
+    # 静态资源处理
+    location / {
+        root /usr/share/nginx/html;
+        index index.html;
+        try_files $uri $uri/ /index.html;  # 适配SPA路由(如React/Vue)
+    }
+
+    # 反向代理API请求到后端
+    location /api/ {
+        proxy_pass http://backend/;  # 代理路径与后端API前缀匹配
+        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;
+    }
+}
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