server {
    listen 80;
    server_name _;

    # 文件上传大小限制 50MB
    client_max_body_size 50m;

    root /usr/share/nginx/html;
    index index.html;

    # 将 /api/ 请求反代到后端（去掉 /api 前缀，与 vite dev proxy 行为一致）
    location /api/ {
        proxy_pass http://server:8888/;
        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_read_timeout 35s;
        proxy_send_timeout 35s;
        proxy_connect_timeout 10s;
    }

    # SPA fallback：所有非文件路径返回 index.html
    location / {
        try_files $uri $uri/ /index.html;
    }

    # 静态资源缓存
    location ~* \.(js|css|png|jpg|jpeg|gif|ico|svg|woff2?)$ {
        expires 7d;
        add_header Cache-Control "public, immutable";
    }
}