The registry

General Discussions
1

Hi everyone,
This is probably more docker question but ultimately im playing around kubernetes/min-kube :slight_smile:

I have built a simple docker image:

docker build . -t mynginx:10

And here it is:

$ docker image ls
REPOSITORY                    TAG       IMAGE ID       CREATED          SIZE
mynginx                       10        cbc30251205a   36 seconds ago   170MB   <--- Here
ubuntu                        latest    2dc39ba059dc   4 days ago       77.8MB
registry                      2         3a0f7b0a13ef   3 weeks ago      24.1MB
gcr.io/k8s-minikube/kicbase   v0.0.33   b7ab23e98277   5 weeks ago      1.14GB

Yet, this image in NOT in the registry.
If so, where is this image now / from where Docker is reading image list?

2

that image is now on your computer in the docker store.

In order to have the image on an external repository you need to tag and push the image.
example:
say you want to push the image into yourrepository.com.

you need to run:

docker build -t yourrepository.com/mynginx:10 .

Then run:

docker login yourrepository.com

and provide a username and password if required

and finally:

docker push yourrepository.com/mynginx:10