Connecting to Docker Image Repository
Provide a Docker image
The source of your Docker image, which can come from a private repository that the credentials are provided. For Docker Hub images, use the following URL format:
If you are pulling a public image from Docker Hub, use the following format:
If you are using Quay.io for your image repository, you will use the following URL format:
How To Add Docker Image Repository
You need to go to Account –> Keys & External Services –> Docker Image Repo and click on ADD A PROVIDER or click on + if you already have one and want to add a second one.