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Docker on Amazon Web Services

You're reading from   Docker on Amazon Web Services Build, deploy, and manage your container applications at scale

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Product type Paperback
Published in Aug 2018
Publisher Packt
ISBN-13 9781788626507
Length 822 pages
Edition 1st Edition
Tools
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Author (1):
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Justin Menga Justin Menga
Author Profile Icon Justin Menga
Justin Menga
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Toc

Table of Contents (20) Chapters Close

Preface 1. Container and Docker Fundamentals 2. Building Applications Using Docker FREE CHAPTER 3. Getting Started with AWS 4. Introduction to ECS 5. Publishing Docker Images Using ECR 6. Building Custom ECS Container Instances 7. Creating ECS Clusters 8. Deploying Applications Using ECS 9. Managing Secrets 10. Isolating Network Access 11. Managing ECS Infrastructure Life Cycle 12. ECS Auto Scaling 13. Continuously Delivering ECS Applications 14. Fargate and ECS Service Discovery 15. Elastic Beanstalk 16. Docker Swarm in AWS 17. Elastic Kubernetes Service 18. Assessments 19. Other Books You May Enjoy

Configuring EC2 instance profiles


In the EC2 Auto Scaling launch configuration you defined in the previous example, you referenced an IAM instance profile, which we need to create as a separate resource in our stack. EC2 instance profiles allow you to attach an IAM role, which your EC2 instances can use to gain access to AWS resources and services, and in the ECS container instance use case. Recall from Chapter 4, when you created your first ECS cluster, that an IAM instance profile and associated IAM role that granted various ECS permissions was automatically attached to your ECS container instance.

Because we are configuring our ECS cluster and Auto Scaling group from scratch, we need to explicitly define an appropriate IAM instance profile and linked IAM role, as demonstrated in the following example:

Resources:
  ...
  ...
ApplicationAutoscalingInstanceProfile:
    Type: AWS::IAM::InstanceProfile
    Properties:
      Roles:
        - Ref: ApplicationAutoscalingInstanceRole
  ApplicationAutoscalingInstanceRole...
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