Thanks for posting your question!
Can you post a small snippet that demonstrates what you do?
Usually, if you change the
Environment of a container definition a new task definition revision is created (you can not update them without creating a new revision).
Translated to the fargate-service module: If you change any of:
… you create a new task definition revision.
Warning: You should NEVER update infrastructure manually that is managed by CloudFormation! This can result in a catastrophe.