ecs

# AWS ECS Amazon Elastic Container Service (ECS) is a fully managed container orchestration service. Run containers on AWS Fargate (serverless) or EC2 instances. ## Table of Contents - [Core Concepts](#core-concepts) - [Common Patterns](#common-patterns) - [CLI Reference](#cli-reference) - [Best Practices](#best-practices) - [Troubleshooting](#troubleshooting) - [References](#references) ## Core Concepts ### Cluster Logical grouping of tasks or services. Can contain Fargate tasks, EC2 instances, or both. ### Task Definition Blueprint for your application. Defines containers, resources, networking, and IAM roles. ### Task Running instance of a task definition. Can run standalone or as part of a service. ### Service Maintains desired count of tasks. Handles deployments, load balancing, and auto scaling. ### Launch Types | Type | Description | Use Case | |------|-------------|----------| | **Fargate** | Serverless, pay per task | Most workloads | | **EC2** | Self-managed instances | GPU, Windows, specific requirements | ## Common Patterns ### Create a Fargate Cluster **AWS CLI:** ```bash # Create cluster aws ecs create-cluster --cluster-name my-cluster # With capacity providers aws ecs create-cluster \ --cluster-name my-cluster \ --capacity-providers FARGATE FARGATE_SPOT \ --default-capacity-provider-strategy \ capacityProvider=FARGATE,weight=1 \ capacityProvider=FARGATE_SPOT,weight=1 ``` ### Register Task Definition ```bash cat > task-definiti...