1、如何使用docker-hub来pull和push镜像？
root@richardo-docker01:~# docker login -u qwx619766
Password:
WARNING! Your password will be stored unencrypted in /root/.docker/config.json.
Configure a credential helper to remove this warning. See
https://docs.docker.com/engine/reference/commandline/login/#credentials-store
Login Succeeded
root@richardo-docker01:~# docker tag httpd qwx619766/httpd:v1
root@richardo-docker01:~# docker images qwx619766/httpd:v1
REPOSITORY TAG IMAGE ID CREATED SIZE
qwx619766/httpd v1 3dd970e6b110 4 weeks ago 138MB
root@richardo-docker01:~# docker push qwx619766/httpd:v1
2、如何使用本地的registry?
# 上传和下载
root@richardo-docker01:~# docker run -d -p 5000:5000 -v /myregistry:/var/lib/registry registry:2
Unable to find image 'registry:2' locally
2: Pulling from library/registry
cbdbe7a5bc2a: Pull complete
47112e65547d: Pull complete
46bcb632e506: Pull complete
c1cc712bcecd: Pull complete
3db6272dcbfa: Pull complete
Digest: sha256:8be26f81ffea54106bae012c6f349df70f4d5e7e2ec01b143c46e2c03b9e551d
Status: Downloaded newer image for registry:2
741390e28eb441115f64114ccbc092f5567b7195164d733b34056cde0e8f6eaa
root@richardo-docker01:~# docker tag qwx619766/httpd:v1 127.0.0.1:5000/qwx619766/httpd:v1
root@richardo-docker01:~# docker push 127.0.0.1:5000/qwx619766/httpd:v1
The push refers to repository [127.0.0.1:5000/qwx619766/httpd]
850c0c904ff3: Pushed
c264370aa736: Pushed
e6f7f192bbc8: Pushed
6d80bc0bd923: Pushed
d0fe97fa8b8c: Pushed
v1: digest: sha256:60b82a0c2599b217d5231d3a54eb9f691ac8bc15b66f8f5f79f383f87c9c51ce size: 1366
root@richardo-docker01:~# docker pull 127.0.0.1:5000/qwx619766/httpd:v1
v1: Pulling from qwx619766/httpd
Digest: sha256:60b82a0c2599b217d5231d3a54eb9f691ac8bc15b66f8f5f79f383f87c9c51ce
Status: Image is up to date for 127.0.0.1:5000/qwx619766/httpd:v1
127.0.0.1:5000/qwx619766/httpd:v1
# 查看本地registry所有的镜像
root@richardo-docker01:~# curl 127.0.0.1:5000/v2/_catalog
{"repositories":["qwx619766/httpd"]}
3、docker怎么删除本地的镜像？
root@richardo-docker01:~# docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
entrypoint-image latest 18ed25a11432 5 hours ago 215MB
cmd-image latest 69028b7e9882 5 hours ago 215MB
my-image latest 1e0fcff0c90e 6 hours ago 1.23MB
qwx619766/my-image v1 1e0fcff0c90e 6 hours ago 1.23MB
<none> <none> aa9a6f2c7f13 6 hours ago 1.23MB
centos-with-vim-dockerfile-3 latest f41e704ce73b 7 hours ago 272MB
centos-with-vim-dockerfile-2 latest fa86e8214b98 2 days ago 272MB
centos-with-vim-dockerfile latest e99684eeca8a 2 days ago 272MB
centos-with-vim latest 0ec55bc57a3d 3 days ago 272MB
busybox latest f0b02e9d092d 4 weeks ago 1.23MB
qwx619766/httpd v1 3dd970e6b110 4 weeks ago 138MB
httpd latest 3dd970e6b110 4 weeks ago 138MB
centos latest 0d120b6ccaa8 3 months ago 215MB
registry 2 2d4f4b5309b1 5 months ago 26.2MB
hello-world latest bf756fb1ae65 10 months ago 13.3kB
root@richardo-docker01:~# docker ps -a
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
741390e28eb4 registry:2 "/entrypoint.sh /etc…" 20 minutes ago Up 20 minutes 0.0.0.0:5000->5000/tcp naughty_noether
2c3d4272e19e entrypoint-image "/bin/echo hello Ric…" 5 hours ago Exited (0) 5 hours ago hungry_elgamal
f1e3bd9b1838 entrypoint-image "/bin/echo hello wor…" 5 hours ago Exited (0) 5 hours ago thirsty_ganguly
c86da0237cd7 cmd-image "/bin/bash" 5 hours ago Exited (0) 5 hours ago magical_lumiere
223de519ab6c cmd-image "/bin/sh -c 'echo "h…" 5 hours ago Exited (0) 5 hours ago crazy_banzai
4aafcc8a6c9c my-image "sh" 6 hours ago Exited (0) 6 hours ago affectionate_wozniak
70da6bf60009 aa9a6f2c7f13 "sh" 6 hours ago Exited (127) 6 hours ago strange_lichterman
feb6c159c54e aa9a6f2c7f13 "/bin/sh -c '/bin/ba…" 6 hours ago Exited (127) 6 hours ago friendly_shtern
6cf2ba54a949 0d120b6ccaa8 "/bin/sh -c 'yum upd…" 2 days ago Exited (1) 2 days ago hardcore_shamir
93ed0d03cfd0 centos-with-vim "/bin/bash" 3 days ago Exited (0) 3 days ago gifted_driscoll
6a01b61ba5ac centos "/bin/bash" 3 days ago Exited (0) 3 days ago naughty_galileo
68fc6d293ee4 centos "/bin/bash" 3 days ago Exited (127) 3 days ago quirky_snyder
94deef9a483a hello-world "/hello" 3 days ago Exited (0) 3 days ago pedantic_rubin
c659711f5d56 httpd "httpd-foreground" 3 days ago Exited (255) 3 days ago 0.0.0.0:80->80/tcp competent_heyrovsky
root@richardo-docker01:~# docker rmi aa9a6f2c7f13
Error response from daemon: conflict: unable to delete aa9a6f2c7f13 (must be forced) - image is being used by stopped container 70da6bf60009
root@richardo-docker01:~# docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
741390e28eb4 registry:2 "/entrypoint.sh /etc…" 21 minutes ago Up 21 minutes 0.0.0.0:5000->5000/tcp naughty_noether
root@richardo-docker01:~# docker rm 70da6bf60009
70da6bf60009
root@richardo-docker01:~# docker rmi aa9a6f2c7f13
Error response from daemon: conflict: unable to delete aa9a6f2c7f13 (must be forced) - image is being used by stopped container feb6c159c54e
root@richardo-docker01:~# docker rm feb6c159c54e
feb6c159c54e
root@richardo-docker01:~# docer rmi aa9a6f2c7f13
Command 'docer' not found, did you mean:
command 'docker' from deb docker.io
Try: apt install <deb name>
root@richardo-docker01:~# docker rmi aa9a6f2c7f13
Deleted: sha256:aa9a6f2c7f13004820f58f4695249582c0f2e2c0d80c94fb41fc8518a9045299
Deleted: sha256:04c0fe73588b5a40273498876e96de0575562aef464370bedce6cf6e3e928f35
root@richardo-docker01:~# docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
entrypoint-image latest 18ed25a11432 5 hours ago 215MB
cmd-image latest 69028b7e9882 5 hours ago 215MB
my-image latest 1e0fcff0c90e 6 hours ago 1.23MB
qwx619766/my-image v1 1e0fcff0c90e 6 hours ago 1.23MB
centos-with-vim-dockerfile-3 latest f41e704ce73b 7 hours ago 272MB
centos-with-vim-dockerfile-2 latest fa86e8214b98 2 days ago 272MB
centos-with-vim-dockerfile latest e99684eeca8a 2 days ago 272MB
centos-with-vim latest 0ec55bc57a3d 3 days ago 272MB
busybox latest f0b02e9d092d 4 weeks ago 1.23MB
httpd latest 3dd970e6b110 4 weeks ago 138MB
qwx619766/httpd v1 3dd970e6b110 4 weeks ago 138MB
centos latest 0d120b6ccaa8 3 months ago 215MB
registry 2 2d4f4b5309b1 5 months ago 26.2MB
hello-world latest bf756fb1ae65 10 months ago 13.3kB