ECS
Definition
Elastic Container Service (ECS) is an AWS service that enables users to run Docker containers without the need to manage underlying servers or
Use Cases
- Amazon: Running internal microservices and batch-style container workloads on AWS — ECS was created and operated by AWS; Amazon teams use ECS to schedule and run containers across EC2 and serverless compute (Fargate) with integrations like IAM, load balancers, and CloudWatch logging/metrics. (Reduced operational overhead for container scheduling and scaling by using a managed control plane and AWS-native integrations.)
- Samsung: Operating containerized services on AWS with managed orchestration — Samsung has been referenced by AWS as an ECS customer, using ECS to run containerized applications with AWS integrations for deployment and scaling. (Improved agility for deploying and scaling containerized services while relying on AWS-managed orchestration components.)
Provider Equivalents
- AWS: Amazon Elastic Container Service (ECS)
- Azure: Azure Container Apps
- GCP: Google Kubernetes Engine (GKE)
- OCI: Oracle Container Engine for Kubernetes (OKE)
Frequently Asked Questions
- What's the difference between ECS and EKS?
- ECS is AWS’s own container orchestrator with its own concepts (tasks and services) and deep AWS integration. EKS is managed Kubernetes, so you use standard Kubernetes APIs, tooling, and manifests. Choose ECS if you want a simpler AWS-native experience; choose EKS if you need Kubernetes portability or Kubernetes-specific features/ecosystem.
- When should I use ECS?
- Use ECS when you want to run Docker containers on AWS with minimal orchestration management, especially for web services, APIs, background workers, and scheduled jobs. It’s a strong fit if your team prefers AWS-native tooling (IAM, ALB/NLB, CloudWatch) and you don’t specifically need Kubernetes compatibility.
- How much does ECS cost?
- ECS pricing depends on the launch type. With ECS on EC2, there’s no additional ECS service charge, but you pay for the EC2 instances, EBS, networking, and other AWS services you use. With AWS Fargate, you pay for vCPU, memory, and ephemeral storage resources requested by your tasks (plus data transfer and supporting services like load balancers and logging). Costs are driven by task size, number of running tasks, runtime hours, and traffic.
Category: containers
Difficulty: intermediate
Related Terms
See Also