Understanding ECS container instances

Creating an ECS cluster was very easy using the wizard provided by the AWS console, however it should be obvious that a lot of things were happening under the hood to get your ECS cluster up and running. A full discussion of all of the resources that were created is outside the scope of this introductory chapter, however at this stage, it is useful to focus on ECS container instances and examine them in further detail, given they collectively form the heart of ECS clusters.