ResourceInitializationError: unable to pull secrets or registry auth: pull command failed: : signal: killed

Question

I have created an Image in ECR, also created Fargate cluster and when I am defining task using hypens (-) for pulling ECR image e.g. 0000-0000-00000..dkr.ecr.ap-south-1.amazonaws.com/liferay:latest, I am getting 
ResourceInitializationError: unable to pull secrets or registry auth: pull command failed: : signal: killed.
2nd scenario while I am defining Task for pulling ECR Image 
without hypen (-)  0000000000000..dkr.ecr.apsouth1.amazonaws.com/liferay:latest, 
I am getting below error
CannotPullContainerError: inspect image has been retried 5 time(s): failed to resolve ref "000000000000.dkr.ecr.ap.south.1.amazonaws.com/liferay:latest": failed to do request: Head https://000000000000.dkr.ecr.ap.south.1.amazonaws.com/v2/liferay/manife...

Is Fargate not accepting hypens in Image name ?? or how to resolve, since Account Number and Regions contains hypen(s)

Accepted Answer

The correct domain for ECR is https://aws_account_id.dkr.ecr.region.amazonaws.com where the aws_account_id doesn't contain hyphens, and the region does.
So for example, if you account ID is 123456789012 and the region is ap-south-1, the domain would be https://123456789012.dkr.ecr.ap-south-1.amazonaws.com
https://docs.aws.amazon.com/AmazonECR/latest/userguide/Registries.html

If you go to the ECR repo in the AWS console you should see the actual URL to pull images

Answer

For reference, use this Knowledge Center article on troubleshooting this error [here](https://aws.amazon.com/premiumsupport/knowledge-center/ecs-unable-to-pull-secrets/).

ResourceInitializationError: unable to pull secrets or registry auth: pull command failed: : signal: killed

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