aws ecs describe-task-definition

https://awscli.amazonaws.com/v2/documentation/api/latest/reference/ecs/describe-task-definition.html

aws ecs describe-task-definition --task-definition hello_world:8
aws ecs describe-task-definition --task-definition hello_world

Official output

{
    "taskDefinition": {
        "volumes": [],
        "taskDefinitionArn": "arn:aws:ecs:us-west-2:123456789012:task-definition/hello_world:8",
        "containerDefinitions": [
            {
                "environment": [],
                "name": "wordpress",
                "links": [
                    "mysql"
                ],
                "mountPoints": [],
                "image": "wordpress",
                "essential": true,
                "portMappings": [
                    {
                        "containerPort": 80,
                        "hostPort": 80
                    }
                ],
                "memory": 500,
                "cpu": 10,
                "volumesFrom": []
            },
            {
                "environment": [
                    {
                        "name": "MYSQL_ROOT_PASSWORD",
                        "value": "password"
                    }
                ],
                "name": "mysql",
                "mountPoints": [],
                "image": "mysql",
                "cpu": 10,
                "portMappings": [],
                "memory": 500,
                "essential": true,
                "volumesFrom": []
            }
        ],
        "family": "hello_world",
        "revision": 8
    }
}

Without task definition

aws ecs describe-task-definition

usage: aws [options] <command> <subcommand> [<subcommand> ...] [parameters]
To see help text, you can run:

  aws help
  aws <command> help
  aws <command> <subcommand> help

aws: error: the following arguments are required: --task-definition

Related

• aws ecs list-task-definitions

See also

• AWS ECS: aws ecs [ create-cluster | create-service | update-service | list-clusters | list-services | describe-cluster | describe-services | describe-tasks | put-account-setting | execute-command | run-task ]
• Amazon ECS, Service, Tasks (Task overview), capacity providers, Cluster Auto Scaling (CAS), aws ecs, ecs-cli, ~/.ecs/config, AWS Copilot, AWS Fargate, AWS CloudWatch Container Insights, /etc/ecs/ecs.config, Security group (SG), container agent, task definition, Amazon ECS events, best practices, Amazon ECS Exec Checker, Amazon ECS Agent, Service Connect, AWSServiceRoleForECS, Terraform ECS, AWS ECS Rolling deployments