Effective DevOps with AWS

Handling logs, events, and metrics in ECS

In the previous section, we added an extra step in our deployment process to identify and export the version for our application. In the case of EC2 and CodeDeploy, we created a version string using the deployment execution information. As such, we can easily correlate the logs produced by the deployment execution. In the case of ECS, what matters the most is to be able to identify the container ID within the ECR registry, as we are working with immutable containers. Therefore, we will update our code to use the container tag information as our application version.

In addition, we collected logs on EC2 instances using the awslogs agent. In the case of ECS, while we could do something similar by mounting ...