Which of these is a required field in an ECS task definition JSON?

easy📝 Conceptual Q2 of 15

AWS - ECS and Fargate

A"instanceType"

B"containerDefinitions"

C"securityGroupIds"

D"availabilityZone"

Step-by-Step Solution

Solution:

Step 1: Identify mandatory ECS task definition fields
The "containerDefinitions" field is required to specify containers in the task.
Step 2: Verify other options relevance
Fields like "instanceType", "securityGroupIds", and "availabilityZone" are not part of task definitions but relate to other AWS resources.
Final Answer:
"containerDefinitions" -> Option B
Quick Check:
Required field = containerDefinitions [OK]

Quick Trick: containerDefinitions is always required in task definitions [OK]

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