1. Ruqirement
nginx accepts the request url uniformly and forwards it
http://172.16.51.91:9000/44010000/api/order/create
http://172.16.51.91:9000/44060000/api/order/create
goal:
http://172.15.10.13:9001/api/order/create
http://172.15.10.13:9002/api/order/create
2. nginx Setting

server {
    listen   9000;
    server_name 172.16.51.91;

	location /44010000/ {
		    proxy_pass http://172.15.10.13:9001/;
    }
		 location /44060000/ {
         proxy_pass http://172.15.10.13:10002/;
    }
}