In this article, we discuss how to monitor Amazon ECS and Amazon EKS clusters running on AWS Fargate using various tools such as Amazon CloudWatch, kubectl, Prometheus, and Fluent Bit. We cover collecting metrics from ECS on Fargate, collecting metrics from EKS on Fargate, and collecting logs from both ECS and EKS on Fargate. Additionally, we provide guidance on using CloudWatch Logs Insights to query and analyze collected logs. The article also highlights the use of Datadog for comprehensive monitoring data visualization and alerting in a single platform.