The following steps will remove the services which are deployed in the lab.
From the CloudFormation console, select the stack named pattern3-automate from the list and select Delete and confirm the deletion in the next dialog box.
Note: The stack will fail to remove unless the S3 bucket is empty. As a pre requisite, remove the contents of the bucket before continuing.
From the CloudFormation console, click on the pattern3-pipeline stack name and examine the resources.
Find the resource called Pattern3LoggingBucket and note the bucket name.
Proceed to the S3 console and remove the contents of the bucket, confirming the delete action.
Now, from the CloudFormation console, select the stack named pattern3-pipeline from the list and select Delete and confirm the deletion in the next dialog box.
From the CloudFormation console, select the stack named pattern3-app from the list and select Delete and confirm the deletion in the next dialog box.
From the CloudFormation console, select the stack named pattern3-base from the list and select Delete and confirm the deletion in the next dialog box.