Registry

Registry -> Repository

Docker Hub

默认 Registry

Image

Official

Docker
https://hub.docker.com/u/library

Verified

Bitnami / Rancher / Ubuntu

Unofficial

半官方

开通 Verified publisher，需要付费

民间

个人镜像

Naming

user/app:tag
tag = version + os
slim / fat

OS	Example
Alpine / CentOS	alpine3.15
Ubuntu 18.04	bionic
Ubuntu 20.04	focal
Debian 9	stretch
Debian 10	buster
Debian 11	bullseye

Flow

Online

$ docker login -u zhongmingmao
Password:
WARNING! Your password will be stored unencrypted in /home/zhongmingmao/.docker/config.json.
Configure a credential helper to remove this warning. See
https://docs.docker.com/engine/reference/commandline/login/#credentials-store

Login Succeeded

$ docker tag bitnami/nginx zhongmingmao/nginx:0.0.1

$ docker images
REPOSITORY           TAG       IMAGE ID       CREATED        SIZE
bitnami/nginx        latest    2f8cd4fa21bb   4 hours ago    95.5MB
zhongmingmao/nginx   0.0.1     2f8cd4fa21bb   4 hours ago    95.5MB

$ docker push zhongmingmao/nginx:0.0.1
The push refers to repository [docker.io/zhongmingmao/nginx]
5e229842bf7f: Mounted from bitnami/nginx
58861e9c7a9b: Mounted from bitnami/nginx
0.0.1: digest: sha256:a13a99b81152f5274c8fdcd621d47f441b230ea4dea45acd48f23877949230de size: 740

Offline

Harbor

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$ docker images
REPOSITORY           TAG       IMAGE ID       CREATED        SIZE
zhongmingmao/nginx   0.0.1     2f8cd4fa21bb   5 hours ago    95.5MB

1	$ docker save zhongmingmao/nginx:0.0.1 -o zhongmingmao-nginx-0.0.1.tar

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$ docker rmi zhongmingmao/nginx:0.0.1
Untagged: zhongmingmao/nginx:0.0.1
Untagged: zhongmingmao/nginx@sha256:a13a99b81152f5274c8fdcd621d47f441b230ea4dea45acd48f23877949230de

1 2	$ docker load -i zhongmingmao-nginx-0.0.1.tar Loaded image: zhongmingmao/nginx:0.0.1

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$ docker images
REPOSITORY           TAG       IMAGE ID       CREATED        SIZE
zhongmingmao/nginx   0.0.1     2f8cd4fa21bb   5 hours ago    95.5MB