server {
    listen 80;
    server_name _;
    root /var/www/html;
    index index.html;

    # Gzip 压缩
    gzip on;
    gzip_types text/plain text/css application/json application/javascript text/xml application/xml;

    # 允许上传最大 100M
    client_max_body_size 100M;

    # 前端路由 (SPA)
    location / {
        try_files $uri $uri/ /index.html;
    }

    # API 代理到后端
    location /api/ {
        proxy_pass http://127.0.0.1:8000/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;
    }

    # 健康检查
    location /health {
        proxy_pass http://127.0.0.1:8000/health;
    }
}