Pulling custom Rasa Action Server from GCP

Hi everyone, I’m having a problem with my custom installation of the Action Server and I hope anyone can help me. As instructed I pushed a Docker Image for the custom action server on the GCP Artifact repository at [gcp-docker-url].
Then I execute
helm install --namespace default -f values.yaml rasa-action-server rasa/rasa-action-server
with the values.yaml file containing the following lines:

image:
  name: "[gcp-docker-url]"
  tag: "app_1.0"

But I get an ErrImagePull. It appears that the pod is failing because it is pulling

docker.io/rasa/[gcp-docker-url]:app_1.0
Why is it appending “docker.io/rasa” to the image name ? How can I disable it?