You can use your docker images hosted on https://hub.docker.com/.

Overview

You can use your public images without the need to set any configuration. In order to use private docker images hosted on docker hub, you need to set access credentials.

Add credentials to use with docker hub

You can use the privateRegistries section to set your docker hub credentials:

privateRegistries:
  - "my_username:[email protected]://index.docker.io/v1/"

or

privateRegistries:
  - host: "https://index.docker.io/v1/"
    user: "myname"
    password: "mypassword"