AWS CLI ECR and ECS Cheat Sheet/List task definitions

Show task definition family revisions.

Section: Task Definitions and Tasks

List task definitions

bash
bash
aws ecs list-task-definitions --family-prefix my-app
Explanation

Useful for release and revision inventory.

Learn the surrounding workflow

Compare similar commands or jump into common fixes when this command is part of a bigger troubleshooting path.

Related commands

Same sheet · prioritizing Task Definitions and Tasks
Register a task definition
Create or update an ECS task definition revision from JSON.
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Run a one-off task
Start an ECS task without creating a service.
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List tasks
Show running or stopped tasks in a cluster.
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Describe tasks
Inspect ECS task state, containers, and attachments.
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Stop a task
Terminate a running ECS task.
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List ECS clusters
Show cluster ARNs in the account and region.
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