一 ：安装 
1.获取zookeeper镜像

docker pull zookeeper
 
 
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2.写配置文件zoo.cfg

tickTime=2000
dataDir=/opt/zookeeper/data
clientPort=2181
initLimit=5
syncLimit=2
 
 
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3.启动容器

docker run --name zookeeper --net host -v /showcase/zookeeper/zoo.cfg:/opt/zookeeper/conf/zoo.cfg --restart=always -d zookeeper:latest

 
 
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二 ：集群搭建 
1.写配置文件zoo.cfg

#nod1
tickTime=2000
dataDir=/opt/zookeeper/data
clientPort=2181
initLimit=5
syncLimit=2
server.1=*.*.*.*:2888:3888
server.2=*.*.*.*:2888:3888
server.3=*.*.*.*:2888:3888
myid=1

#nod2
tickTime=2000
dataDir=/opt/zookeeper/data
clientPort=2181
initLimit=5
syncLimit=2
server.1=*.*.*.*:2888:3888
server.2=*.*.*.*:2888:3888
server.3=*.*.*.*:2888:3888
myid=2

#nod3
tickTime=2000
dataDir=/opt/zookeeper/data
clientPort=2181
initLimit=5
syncLimit=2
server.1=*.*.*.*:2888:3888
server.2=*.*.*.*:2888:3888
server.3=*.*.*.*:2888:3888
myid=3
 
 
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2.分别启动容器

docker run --name zookeeper --net host -v /showcase/zookeeper/zoo.cfg:/opt/zookeeper/conf/zoo.cfg --restart=always -d zookeeper:latest
docker run --name zookeeper --net host -v /showcase/zookeeper/zoo.cfg:/opt/zookeeper/conf/zoo.cfg --restart=always -d zookeeper:latest
docker run --name zookeeper --net host -v /showcase/zookeeper/zoo.cfg:/opt/zookeeper/conf/zoo.cfg --restart=always -d zookeeper:latest