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Docker / Tag Container Name Aws Account Id Dkr Ecr Region Amazonaws Com Local Image

Tag Container Name Aws Account Id Dkr Ecr Region Amazonaws Com Local Image

Tags a Docker container image with an Amazon ECR repository URI to facilitate image management.

$
Terminal
docker tag <container_name>:<tag> <aws_account_id>.dkr.ecr.<region>.amazonaws.com/<container_name>:<tag>

When To Use

When preparing local Docker images for deployment to AWS ECR.

Pro Tip

Verify that the image exists locally before tagging; the command fails silently if the image is not found.

Terminal Output

Expected runtime feedback

Simulated preview
>
Output
Successfully tagged myapp:latest 123456789012.dkr.ecr.us-east-1.amazonaws.com/myapp:latest

Anatomy of Output

Understanding the result

Successfully tagged my-image:latest to 123456789012.dkr.ecr.us-east-1.amazonaws.com/my-image:latest Tagging Confirmation

Indicates the local image has been tagged correctly for ECR.

Error: No such image: my-image:latest Error Message

Demonstrates the scenario where the specified local image cannot be found.

Successfully tagged my-image:latest to 123456789012.dkr.ecr.us-east-1.amazonaws.com/my-image:v1.0 Tagging Confirmation

Shows successful tagging of a specific version.

Power User Variants

Optimized versions

docker tag my-image:latest 123456789012.dkr.ecr.us-east-1.amazonaws.com/my-image:test

Tag local image with a different tag for testing purposes.

docker tag my-image:latest 123456789012.dkr.ecr.us-east-1.amazonaws.com/my-image:prod

Tag local image for production deployment.

Troubleshooting

Common pitfalls

Error: No such image: my-image:latest

Solution: Ensure the local image exists before attempting to tag.

Error: Tagging failed due to invalid repository URI.

Solution: Verify the format of the ECR repository URI and ensure it exists.

Error: Tag already exists for this image.

Solution: Remove the tag or use a different tag for the image.

Command Breakdown

What each part is doing

docker
Base Command
The executable that performs this operation. Here it runs Docker before the shell applies any redirect operators.
<container_name>
container name
The value supplied for container name.
<tag>
tag
The value supplied for tag.
<aws_account_id>
aws account id
The value supplied for aws account id.
<region>
region
The value supplied for region.

How To Run

Execution path

  1. Step 1

    Run: docker tag myapp:latest 123456789012.dkr.ecr.us-east-1.amazonaws.com/myapp:latest

  2. Step 2

    Verify the new tag with: docker images | grep myapp

Alternative Approaches

Comparable commands in other tools

Alternative containers tools for the same job.