What is Amazon ECR?
Elastic Container Registry
A registry for storing Docker container images.
It can easily store, manage, and deploy Docker container images.
This is also integrated into ECS and EKS.
Fully managed registry
It is fully managed, there is no need for infrastructure, operations, or scalability to run the container registry.
Safely share & download
Container images are transferred over HTTPS and are automatically encrypted on storage.
In addition, it can set the policy in detail so that you can control access to the image using IAM.
High availability and durability
The container image is saved in s3 and is made redundant, so you can use it with confidence.
Simplify deployment workflow
Since it is integrated with ECS and EKS, you can easily proceed from development to operation. You can deploy for production a similar container image used in development.