https://docs.aws.amazon.com/AmazonECS/latest/developerguide/get-set-up-for-amazon-ecs.html Setting up with Amazon ECS - Amazon Elastic Container Service The Amazon ECS console first run experience creates a security group for your instances and load balancer based on the task definition you use, so if you intend to use the Amazon ECS console, you can move ahead to the next section. docs.aws.amaz..