description AWS Elastic Container Service (ECS) Overview
ECS is a fully managed container orchestration service that makes it easy to run, scale, and manage Docker containers. It offers flexible deployment options, including EC2 and Fargate launch types. ECS provides tight integration with other AWS services and supports a wide range of container workloads. Its a strong alternative to Kubernetes for those seeking a simpler container management experience within the AWS ecosystem.
help AWS Elastic Container Service (ECS) FAQ
Should an ECS service use Fargate or EC2 capacity?
Fargate runs ECS tasks without requiring the customer to manage worker instances, while the EC2 launch type gives direct control over instance types, storage, and host configuration. Fargate simplifies operations, but EC2 can be preferable for specialized hardware or consistently utilized workloads.
What is the difference between an ECS task and an ECS service?
A task is a running instance of an ECS task definition containing one or more containers. A service maintains a requested number of tasks and can replace failed tasks or distribute them behind an Application Load Balancer.
Does ECS require Kubernetes?
No, ECS uses AWS's own container orchestration control plane and APIs. Teams that specifically need Kubernetes APIs and its ecosystem would generally evaluate Amazon EKS instead.
Where do ECS containers get images and secrets?
Images are often stored in Amazon Elastic Container Registry, although ECS can pull from other supported registries. Task definitions can reference sensitive values held in AWS Secrets Manager or Systems Manager Parameter Store rather than embedding them in an image.
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