ECS
Practical ECS guides on PacketSensei: code-first articles on configuration, cost, and the AWS failure modes that show up in production.
3 articles in ECS, newest first.
Amazon AWS Security Groups Explained
Understand AWS security groups, the stateful instance-level firewall for EC2. Learn default allow-only rules and how referencing other groups secures app tiers.
Introduction to Amazon AWS Fargate
Learn how AWS Fargate runs containers serverlessly on ECS and EKS. Define CPU and memory while Fargate handles provisioning, scaling, and task isolation.
Introduction to Amazon ECS (Elastic Container Service)
Learn how Amazon ECS orchestrates Docker containers on AWS using EC2 or Fargate launch types, task definitions, services, and clusters for managed containers.