持续集成：内置部署重启脚本与Nginx配置模板，实现独立端口部署与数据库注入

deploy/nginx.conf.example

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+# ==============================================================================
+# 铁路培训实训教学平台 - Nginx 配置参考模板
+# 适用于 sict 服务器 (/data2/wzb/deploy)
+# ==============================================================================
+
+server {
+    listen       8082; # 业务对外访问端口，可按需修改
+    server_name  localhost;
+
+    # 1. 前端静态页面托管
+    location / {
+        root   /data2/wzb/deploy/frontend;
+        try_files $uri $uri/ /index.html;
+        index  index.html index.htm;
+    }
+
+    # 2. 后端 API 反向代理 (指向 RuoYi-Vue 后端 8092 端口)
+    location /prod-api/ {
+        proxy_set_header Host $http_host;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header REMOTE-HOST $remote_addr;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_pass http://127.0.0.1:8092/;
+    }
+
+    # 3. 避免静态资源缓存问题
+    location ~* \.(html)$ {
+        root /data2/wzb/deploy/frontend;
+        add_header Cache-Control "no-cache, no-store, must-revalidate";
+    }
+
+    error_page   500 502 503 504  /50x.html;
+    location = /50x.html {
+        root   html;
+    }
+}