test-ecr-registry-login.txt

# need awscli >= 1.16.x , docker 
# aws ecr get-login --registry-ids < ecr-account-id > --region < region-you-want > --no-include-email
#way 1. 
# Get docker registry token from A account ECR
[ec2-user@192-168-0-99 ~ ] aws ecr get-login --registry-ids 1333333333 --region ap-northeast-1 --no-include-email
#--output
docker login -u AWS -p eyJwYXlsb2FkIjoi....NUZCeTkydVU2b2R9 https://1333333333.dkr.ecr.us-east-1.amazonaws.com

# Copy output for Login A account ECR
[ec2-user@192-168-0-99 ~ ] docker login -u AWS -p eyJwYXlsb2FkIjoi....NUZCeTkydVU2b2R9 https://1333333333.dkr.ecr.us-east-1.amazonaws.com
#--output
WARNING! Using --password via the CLI is insecure. Use --password-stdin.
WARNING! Your password will be stored unencrypted in /root/.docker/config.json.
Configure a credential helper to remove this warning. See
https://docs.docker.com/engine/reference/commandline/login/#credentials-store

Login Succeeded

#way 2.
# Get docker registry token from A account ECR and auto login A account ECR
[ec2-user@192-168-0-99 ~ ] $(aws ecr get-login --registry-ids 1333333333 --region ap-northeast-1 --no-include-email)
#--output
WARNING! Using --password via the CLI is insecure. Use --password-stdin.
WARNING! Your password will be stored unencrypted in /root/.docker/config.json.
Configure a credential helper to remove this warning. See
https://docs.docker.com/engine/reference/commandline/login/#credentials-store

Login Succeeded