unset DOCKER_HOST

docker push docker.alphabets.cn/hdfs:0.0.1
docker push docker.alphabets.cn/hdfs-master:0.0.1
docker push docker.alphabets.cn/hdfs-slave:0.0.1
docker push docker.alphabets.cn/hdfs-hbase:0.0.1
docker push docker.alphabets.cn/zookeeper:0.0.1

export DOCKER_HOST=tcp://127.0.0.1:4000