1.1 Public Registry

• If image name is same as user name, user name can be ignored.
• If registry is ignore, the default is used as docker.io.

1.2 Private Registry

Many clouds provides private registry services such AWS and Azure.

To use a private registry manually.

docker login private-registry.io

docker run private-registry.io/apps/internal-app

To use a private registry in k8s, you need to create a docker-registry secret.

kubectl create secret docker-registry regcred \

--docker-server= \

--docker-username= \

--docker-password= \

--docker-email=