location ^~ /uploads/ {
        root /data/weiwend/weiwang;
        try_files $uri @new_uploads;
    }
    
    location @new_uploads {
        proxy_redirect off;
        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_pass 
    }

在负载均衡的容器里配置，try_files 失败转到另外一台容器