AI Service is not available. in webapp

[gjtjx]

logs error
deepstack_service-instance | ERROR:logger:an error occurred on DeepStack Service main function, ex: 500 Server Error for http+docker://localhost/v1.41/images/create?tag=gpu&fromImage=deepquestai%2Fdeepstack: Internal Server Error ("Head "https://registry-1.docker.io/v2/deepquestai/deepstack/manifests/gpu": Get "https://auth.docker.io/token?scope=repository%3Adeepquestai%2Fdeepstack%3Apull&service=registry.docker.io": net/http: TLS handshake timeout")
deepstack_service-instance | WARNING:logger:an error occurred while backing up the DeepStack file, err: HTTPConnectionPool(host='127.0.0.1', port=1009): Max retries exceeded with url: /v1/backup (Caused by NewConnectionError('<urllib3.connection.HTTPConnection object at 0x7f6b3b6080>: Failed to establish a new connection: [Errno 111] Connection refused'))
deepstack_service-instance | Redis host: 127.0.0.1
deepstack_service-instance | Redis port: 6379

any ideas?