upstream backserver_8080 { 
  server 192.168.100.101:8080;
}

upstream backserver_8081 { 
  server 192.168.100.101:8081;
}
server {
    # 端口，域名/ip
    listen       80;
    server_name  ip;

    # 开启gzip压缩配置
    # gzip config
    gzip on;
    gzip_min_length 1k;
    gzip_comp_level 9;
    gzip_types text/plain application/javascript application/x-javascript text/css application/xml text/javascript application/x-httpd-php image/jpeg image/gif image/png;
    gzip_vary on;
    gzip_disable "MSIE [1-6]\.";
    
    # 增加ssl
    # ssl on;        #如果强制HTTPs访问，这行要打开
    ssl_certificate /ssl/xxx.com.pem;
    ssl_certificate_key /ssl/xxx.com.key;
    ssl_session_cache    shared:SSL:1m;
    ssl_session_timeout  5m;
    # 指定密码为openssl支持的格式
    ssl_protocols TLSv1.2;
    # 密码加密方式
    ssl_ciphers ECDHE-RSA-AES128-GCM-SHA256:ECDHE:ECDH:AES:HIGH:!NULL:!aNULL:!MD5:!ADH:!RC4;
    # 依赖SSLv3和TLSv1协议的服务器密码将优先于客户端密码
    ssl_prefer_server_ciphers on;

    # 限制请求体大小，一般影响上传文件大小
    client_max_body_size 100m;

    # 二级目录部署vue前端
    location /rwdb {
        alias /usr/share/nginx/html/rwdb/;
        try_files $uri $uri/ /rwdb/index.html?$query_string;
        index index.html;
    }
    
    # 二级目录部署springboot转发
    location /rwdb/jeecg-boot/ {
        proxy_pass              http://ip:8081/jeecg-boot/;
        proxy_set_header        Host ip;
        proxy_set_header        X-Real-IP $remote_addr;
        proxy_set_header        X-Forwarded-For $proxy_add_x_forwarded_for;
    }

    # Nacos转发
    location /nacos {
        proxy_pass http://ip:8848/nacos;
    }

    # Adminer转发
    location /adminer {
        proxy_pass http://ip:8080/;
    }

    # plumelog转发
    location /plumelog/ {
        proxy_pass http://ip:8891/;
    }
    
    # rabbitmq转发
    location /rabbitmq/ {
        proxy_pass http://ip:15672/;
    }
    
    # 指定ip访问指定端口
    set $group backserver_8080;
    
    if ($remote_addr ~ "192.168.100.1") {
      set $group backserver_8081;
    }
    location / {
      proxy_pass         http://$group/flyway-demo/hello/index;
  		proxy_redirect off;
  		#真实IP获取
  		proxy_set_header  Host             $host;
  		proxy_set_header  X-Real-IP        $remote_addr;
  		set $my_proxy_add_x_forwarded_for $proxy_add_x_forwarded_for;
  		if ($proxy_add_x_forwarded_for ~* "127.0.0.1"){
  		   set $my_proxy_add_x_forwarded_for $remote_addr;
  		}
  		proxy_set_header   X-Forwarded-For $my_proxy_add_x_forwarded_for;
    }
    # 指定ip访问指定端口

    # 根目录部署springboot转发
    location ^~ /sxyxfs-boot/ {
        proxy_pass              http://ip:9999/;
        proxy_set_header        Host ip;
        proxy_set_header        X-Real-IP $remote_addr;
        proxy_set_header        X-Forwarded-For $proxy_add_x_forwarded_for;
    }
    
    # 根目录部署vue前端解决Router(mode: 'history')模式下，刷新路由地址不能找到页面的问题
    location / {
        root   /usr/share/nginx/html/back;
        index  index.html index.htm;
        if (!-e $request_filename) {
            rewrite ^(.*)$ /index.html?s=$1 last;
            break;
        }
    }
}

To Be Continued！😎