server {
    listen 80;
    server_name _;

    root /opt/backupx/web;
    index index.html;

    location /api/ {
        proxy_pass http://127.0.0.1:8340/api/;
        proxy_http_version 1.1;
        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;
        proxy_set_header Connection "";
        proxy_buffering off;
        proxy_cache off;
        proxy_read_timeout 3600s;
    }

    # Agent 一键安装脚本路径（兼容 v2.0 及之前生成的命令）。
    # v2.1+ 新生成的命令走 /api/install/... 自动命中上面的 /api/ 代理。
    location /install/ {
        proxy_pass http://127.0.0.1:8340/install/;
        proxy_http_version 1.1;
        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;
    }

    # 健康检查端点同样不走 SPA fallback。
    location = /health { proxy_pass http://127.0.0.1:8340/health; }
    location = /ready  { proxy_pass http://127.0.0.1:8340/ready; }
    location = /metrics { proxy_pass http://127.0.0.1:8340/metrics; }

    location / {
        try_files $uri $uri/ /index.html;
    }
}