In the first part of this chapter, we used the Docker Hub public registry. AWS provides a similar service to this called ECR. This allows you to keep your images in a private registry called a repository. ECR is fully compatible with the Docker CLI but also integrates deeply with the remaining ECS services. We are going to use this to store our helloworld images.
As mentioned, we will rely heavily on CloudFormation to make our changes. Unlike what we saw previously, because of its nature, the ECS infrastructure we are going to build needs to be very modular. This is because, in practice, we will want to share some of those components with other services. Consequently, we will create a ...
