The procedure used to stop tasks and delete ECS resources is as follows:
- Update the service to set Desired count for tasks to 0
- Stop the tasks
- Delete the service
- De-register the task definition revisions
To delete the application load balancer, select the application load balancer in the Load Balancers table and select Actions | Delete, as shown in the following screenshot:
In the Delete Load Balancer confirmation dialog, click on Yes, Delete. The application load balancer gets deleted as shown in the following screenshot: