This post surveys some techniques you can use to monitor both levels of your ECS deployment, including the Amazon CloudWatch console, the AWS CLI, and third-party monitoring tools that query CloudWatch and the ECS API. It provides detailed information on how to use the CloudWatch console for ECS monitoring, including creating graph widgets, configuring CloudWatch alarms, and tracking the number of running tasks. The post also covers using the AWS CLI to query the ECS API and collecting metrics from individual containers using traditional Docker monitoring tools or by querying the ECS task metadata endpoint.