nginx 主配置文件加入

    upstream myapp1 {
        server 192.168.124.101:5051;
        server 192.168.124.102:5052;
        server 192.168.124.111:5050;
    }

站点配置文件中加入

        location / {
            proxy_pass http://myapp1;
        }

80端口映射到外网域名配置方法

加入红框中的代码

    upstream myapp3 {
        server 192.168.124.101:5051;
        server 192.168.124.102:5052;
        server 192.168.124.111:5050;
    }