docker save/ load，将容器内的文件copy下来

目录

docker save

docker load

copy容器内的文件

配置daemon.json

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docker save

把已存在的镜像打包

docker save -o kapacitor.tar registry.local/official/kapacitor:1.5.3

docker load

登录目标主机

scp [email protected]:/root/kapacitor/kapacitor.tar .

docker load < kapacitor.tar

[root@registry ~]# docker images|grep kapacitor
registry.local/official/kapacitor          1.5.3                               32b5dc9a7060        5 months ago        242MB

copy容器内的文件

docker container cp [OPTIONS] CONTAINER:SRC_PATH DEST_PATH

配置daemon.json

对于私有镜像仓库，需要配置--insecure-registry

[root@infra docker-demo]# vim /etc/docker/daemon.json 

{
  "registry-mirrors": ["https://xx.aliyuncs.com"],
  "insecure-registries": ["registry.local", "harbor.cloud2go.cn", "registry-scu.cloudtogo.cn","reg.test.ocp.c2g.cn"]
}

重启docker

systemctl restart docker