# Resources
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 This section provides companion material for the Container Build Lens with respect to the reliability pillar. 

**Blogs and documentation**
+ [Create the AppSpec file](https://docs.aws.amazon.com/codedeploy/latest/userguide/tutorial-ecs-create-appspec-file.html) 
+ [AppSpec File example](https://docs.aws.amazon.com/codedeploy/latest/userguide/reference-appspec-file-example.html) 
+ [Task definition parameters](https://docs.aws.amazon.com/AmazonECS/latest/developerguide/task_definition_parameters.html)
+  [Dockerfile reference: Healthcheck](https://docs.docker.com/engine/reference/builder/#healthcheck) 
+  [How Amazon ECS manages CPU and memory resources](https://aws.amazon.com/blogs/containers/how-amazon-ecs-manages-cpu-and-memory-resources/) 
+  [Tutorial: Deploy an Amazon ECS service](https://docs.aws.amazon.com/codedeploy/latest/userguide/tutorial-ecs-deployment.html) 

**Whitepapers**
+  [EKS best practices (reliability)](https://aws.github.io/aws-eks-best-practices/reliability/docs/) 
+  [Amazon ECS best practices - Auto scaling and capacity management ](https://docs.aws.amazon.com/AmazonECS/latest/bestpracticesguide/capacity.html) 

**Training materials**

 [AWS containers immersion day](https://catalog.us-east-1.prod.workshops.aws/workshops/ed1a8610-c721-43be-b8e7-0f300f74684e/en-US)