两种方式
· export import
这种方式只能保存和还原镜像当前的状态，所有变更历史都会丢失
· save load
这种方式可以保存镜像全部信息
save和load
查询镜像列表
$ sudo docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
hyperledger/fabric-ca latest 72617b4fa9b4 2 months ago 299MB
hyperledger/fabric-ca x86_64-1.1.0 72617b4fa9b4 2 months ago 299MB
hyperledger/fabric-tools latest b7bfddf508bc 2 months ago 1.46GB
hyperledger/fabric-tools x86_64-1.1.0 b7bfddf508bc 2 months ago 1.46GB
hyperledger/fabric-orderer latest ce0c810df36a 2 months ago 180MB
hyperledger/fabric-orderer x86_64-1.1.0 ce0c810df36a 2 months ago 180MB
hyperledger/fabric-peer latest b023f9be0771 2 months ago 187MB
hyperledger/fabric-peer x86_64-1.1.0 b023f9be0771 2 months ago 187MB
hyperledger/fabric-javaenv latest 82098abb1a17 2 months ago 1.52GB
hyperledger/fabric-javaenv x86_64-1.1.0 82098abb1a17 2 months ago 1.52GB
hyperledger/fabric-ccenv latest c8b4909d8d46 2 months ago 1.39GB
hyperledger/fabric-ccenv x86_64-1.1.0 c8b4909d8d46 2 months ago 1.39GB
hyperledger/fabric-zookeeper latest 92cbb952b6f8 3 months ago 1.39GB
hyperledger/fabric-zookeeper x86_64-0.4.6 92cbb952b6f8 3 months ago 1.39GB
hyperledger/fabric-kafka latest 554c591b86a8 3 months ago 1.4GB
hyperledger/fabric-kafka x86_64-0.4.6 554c591b86a8 3 months ago 1.4GB
hyperledger/fabric-couchdb latest 7e73c828fc5b 3 months ago 1.56GB
hyperledger/fabric-couchdb x86_64-0.4.6 7e73c828fc5b 3 months ago 1.56GB
hyperledger/fabric-baseos x86_64-0.4.6 220e5cf3fb7f 3 months ago 151MB
保存镜像
$ sudo docker save 72617b4fa9b4 > 72617b4fa9b4.tar
$ ls
72617b4fa9b4.tar
还原镜像
$ docker load < 72617b4fa9b4.tar
重命名
$ docker tag 72617b4fa9b4 hyperledger/fabric-ca