- True.
- You can use either the awsvpc (recommended) or host networking mode, which ensure your containers will obtain an IP address from the attached EC2 instance Elastic Network Interface (ENI).
- False – the awsvpc network mode is required for ECS task networking.
- You need to ensure the security groups configured for your ECS service permit access from the load-balancers.
- You enable ECS task networking for an ECS task definition, however your containers fail on startup with an error that states they are unable to reach a location that is located on the internet. How can you resolve this issue?
- Two – see https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/using-eni.html#AvailableIpPerENI.
- One – a t2.micro supports a maximum of two ENIs, however, one ENI must be reserved for operating-system and ECS...
Docker on Amazon Web Services
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Docker on Amazon Web Services
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Overview of this book
Over the last few years, Docker has been the gold standard for building and distributing container applications. Amazon Web Services (AWS) is a leader in public cloud computing, and was the first to offer a managed container platform in the form of the Elastic Container Service (ECS).
Docker on Amazon Web Services starts with the basics of containers, Docker, and AWS, before teaching you how to install Docker on your local machine and establish access to your AWS account. You'll then dig deeper into the ECS, a native container management platform provided by AWS that simplifies management and operation of your Docker clusters and applications for no additional cost. Once you have got to grips with the basics, you'll solve key operational challenges, including secrets management and auto-scaling your infrastructure and applications. You'll explore alternative strategies for deploying and running your Docker applications on AWS, including Fargate and ECS Service Discovery, Elastic Beanstalk, Docker Swarm and Elastic Kubernetes Service (EKS). In addition to this, there will be a strong focus on adopting an Infrastructure as Code (IaC) approach using AWS CloudFormation.
By the end of this book, you'll not only understand how to run Docker on AWS, but also be able to build real-world, secure, and scalable container platforms in the cloud.
Table of Contents (20 chapters)
Preface
Free Chapter
Container and Docker Fundamentals
Building Applications Using Docker
Getting Started with AWS
Introduction to ECS
Publishing Docker Images Using ECR
Building Custom ECS Container Instances
Creating ECS Clusters
Deploying Applications Using ECS
Managing Secrets
Isolating Network Access
Managing ECS Infrastructure Life Cycle
ECS Auto Scaling
Continuously Delivering ECS Applications
Fargate and ECS Service Discovery
Elastic Beanstalk
Docker Swarm in AWS
Elastic Kubernetes Service
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