一、拉取镜像
docker pull zookeeper:3.9.3
二、启动zookeeper
docker run --restart=always -d --name zookeeper -p 2181:2181 -v /etc/localtime:/etc/localtime zookeeper:3.9.3
如果需要挂载zookeeper文件及目录，则参数增加：
-v /mydata/zookeeper/data:/data -v /mydata/zookeeper/conf:/conf -v /mydata/zookeeper/logs:/datalog