#  docker run --name zookeeper --restart always -d -p 2181:2181 zookeeper:3.5

 docker run --rm -p 9090:9090 -e ZK_SERVER=zkserver:2181 juris/zkui

package main

import (
	"fmt"
	"github.com/gin-gonic/gin"
	"github.com/go-zookeeper/zk"
	"time"
)

func main() {
	var (
		c     *zk.Conn
		err   error
		zksvr = "ZKSERVER:2181"
		path  = "/mail_service/sit/port"
	)
    //连接zkserver
	c, _, err = zk.Connect([]string{zksvr}, time.Second*10)
	if err != nil {
		panic(err)
	}
    //获取节点数据
	nodeData, sate, err := c.Get(path)
	if err != nil {
		panic(err)
	}
	port := string(nodeData)
	fmt.Printf("get: %v\n", port)
	fmt.Printf("sate: %v\n", sate)

	r := gin.Default()
	r.GET("/foo", func(c *gin.Context) {
		c.JSON(200, gin.H{
			"message": "hello",
		})
	})
	r.Run(port)
}

[GIN-debug] Listening and serving HTTP on :8000