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Container Services

Notes about AWS Container Services​

container_services

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You can download these notes as pdf from here.

1. Amazon ECS (Elastic Container Service)​

  • Container Orchestration: Manages Docker containers on a cluster of EC2 instances.
  • Task Definitions: Blueprint describing how to run a Docker container.
  • Clusters: Logical grouping of EC2 instances.
  • Services: Ensure a specified number of tasks run and manage task replacement.

2. Amazon EKS (Elastic Kubernetes Service)​

  • Managed Kubernetes: Simplifies running Kubernetes on AWS without needing to manage the Kubernetes control plane.
  • Node Management: Supports both EC2 and Fargate nodes.
  • Integration: Integrates with AWS services like IAM, CloudWatch, and ALB.

3. Amazon Elastic Container Registry (Amazon ECR)​

  • Managed Docker Container Registry: Easily store, manage, and deploy Docker container images.
  • Integration: Seamlessly integrates with Amazon ECS, EKS, and AWS Lambda.
  • Security: Provides encryption at rest and in transit, IAM roles for access control, and image scanning for vulnerabilities.
  • Scalability: Automatically scales to meet your storage needs.
  • Lifecycle Policies: Automate the cleaning up of unused images to optimize storage costs.

Key Concepts and Best Practices​

  • Elasticity and Scalability: Design applications to take advantage of AWS's elastic and scalable infrastructure.
  • Security: Use IAM roles, security groups, and encryption to secure compute resources.
  • Cost Optimization: Use Spot Instances and Reserved Instances to reduce costs.
  • Monitoring and Logging: Use CloudWatch for monitoring, alarms, and logging to track and respond to operational issues.
  • Infrastructure as Code (IaC): Use AWS CloudFormation or other IaC tools to automate the provisioning and management of compute resources.
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