Difference between --parameter-overrides and --tags

user_9231164 0
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I am having a hard time understanding the difference between --parameter-overrides and --tags when deploying an AWS stack using CloudFormation. I tried to read through the documentation but I still do not understand, I seem to get exactly the same behaviour when I use the cli to deploy my stack with the usage of one or the other flag, such as

      aws --profile $PROFILE cloudformation deploy
      --stack-name ${STACK_NAME}
      --template-file $TEMPLATE_FILE
      --parameter-overrides
      ApplicationName=$APP_NAME
      --no-fail-on-empty-changeset
      --tags
      ApplicationName=$APP_NAME

When and why would I use the tags? Any help?

amazon-cloudformation aws-cli amazon-web-services
1 Answers

--tags set arbitrary Tags on the Stack. Tags are key-value metadata for labelling and categorizing AWS resources. Tags are optional. They do not affect how CloudFormation deploys the stack.

--parameter-overrides inject parameter values into the template. Optional if you are happy with the template's parameter defaults (for new deploys) or currently deployed values (for updates).

user_11035110
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