Detailed explanation of the use of docker tag and docker push

Docker tag detailed explanation

The use of the docker tag command and how to push the local image to daocloud.io. Docker hub is not used for experiments here because the network speed of Docker hub is not strong enough and push failure is easy to occur.

Use docker tag to rename the image using its ID

chenyangdeMacBook-Pro:~ chenyang$ docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
hello-world latest fce289e99eb9 9 weeks ago 1.84 kB
chenyangdeMacBook-Pro:~ chenyang$

chenyangdeMacBook-Pro:~ chenyang$ docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
hello-world latest fce289e99eb9 9 weeks ago 1.84 kB
chenyangdeMacBook-Pro:~ chenyang$ docker tag fce289e99 hello-world:v1
chenyangdeMacBook-Pro:~ chenyang$ docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
hello-world latest fce289e99eb9 9 weeks ago 1.84 kB
hello-world v1 fce289e99eb9 9 weeks ago 1.84 kB

Use docker tag to rename the image tag

chenyangdeMacBook-Pro:~ chenyang$ docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
hello-world latest fce289e99eb9 9 weeks ago 1.84 kB
hello-world v1 fce289e99eb9 9 weeks ago 1.84 kB
chenyangdeMacBook-Pro:~ chenyang$ docker tag hello-world:latest hello-world:v2
chenyangdeMacBook-Pro:~ chenyang$ docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
hello-world latest fce289e99eb9 9 weeks ago 1.84 kB
hello-world v1 fce289e99eb9 9 weeks ago 1.84 kB
hello-world v2 fce289e99eb9 9 weeks ago 1.84 kB

Use docker push to push the image to daocloud.io

You need to log in to daocloud.io. If you don’t have an account, you need to register one on the website.

chenyangdeMacBook-Pro:~ chenyang$ docker login daocloud.io
Username (chenyang_1010): chenyang_1010
Password: 
Login Succeeded
chenyangdeMacBook-Pro:~ chenyang$

Tag it and upload it

chenyangdeMacBook-Pro:~ chenyang$ docker tag hello-world daocloud.io/zter/hello-world:v1
chenyangdeMacBook-Pro:~ chenyang$ docker images
REPOSITORY TAG IMAGE ID CREATED SIZE
hello-world latest fce289e99eb9 9 weeks ago 1.84 kB
hello-world v1 fce289e99eb9 9 weeks ago 1.84 kB
hello-world v2 fce289e99eb9 9 weeks ago 1.84 kB
daocloud.io/zter/hello-world v1 fce289e99eb9 9 weeks ago 1.84 kB
chenyangdeMacBook-Pro:~ chenyang$ docker push daocloud.io/zter/hello-world:v1
The push refers to a repository [daocloud.io/zter/hello-world]
af0b15c8625b: Pushed 
v1: digest: sha256:39bbd4a41b5d3b164632d3b4a295c0db31139992a8fe985f949dac7ccff7aa54 size: 524

Upload results

Upload the image to daocloud.io

The above is the full content of this article. I hope it will be helpful for everyone’s study. I also hope that everyone will support 123WORDPRESS.COM.

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