How to pass file key to AWS-ECS container triggered on S3 Put?

Question

I have an ECS Task Definition which gets triggered whenever a file is put into a specific location in an s3 bucket. My ECS Task definition container has a python script which wants to process the file which has caused the trigger. Is there any way i can pass the filekey due to which trigger is made to the python script ? I want to avoid the use of lambda here.

I have set up the trigger using this guide

user_13287722 · Answer

This is possible with the API/terraform, but not directly via the UI. You can use an InputTransformer to pass the bucket and key in as containerOverrides. See https://medium.com/@bowbaq/trigger-an-ecs-job-when-an-s3-upload-completes-3559c44c37d1 for a write-up.

How to pass file key to AWS-ECS container triggered on S3 Put?

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