Book Image

Docker on Amazon Web Services

By : Justin Menga
Book Image

Docker on Amazon Web Services

By: Justin Menga

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 (26 chapters)
Title Page
Copyright and Credits
Dedication
Packt Upsell
Contributors
Preface
Index

Defining an ECS cluster


Now that you have an overview of the ECS cluster provisioning process, let's step through the configuration required to get an ECS cluster up and running.

 

As indicated in the deployment overview, you will be using CloudFormation to create your resources in an infrastructure-as-code manner, and because you are right at the start of this journey, you first need to create this CloudFormation template, which I will assume you are defining in a file calledstack.ymlat the root of the todobackend-aws repository you created earlier in Chapter 5 - Publishing Docker Images Using ECR, as demonstrated in the following example:

> touch stack.yml
> tree .
.
├── ecr.yml
└── stack.yml

0 directories, 2 files

Establishing the todobackend-aws repository

You can now establish a skeleton CloudFormation template in the stack.yml file and create your ECS cluster resource:

AWSTemplateFormatVersion: "2010-09-09"

Description: Todobackend Application

Resources:
  ApplicationCluster:
 ...