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Docker on Amazon Web Services

By : Justin Menga

4.2 (5)

Docker on Amazon Web Services

4.2 (5)

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.

Preface

Preface

Who this book is for

What this book covers

To get the most out of this book

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Free Chapter

Container and Docker Fundamentals

Container and Docker Fundamentals

Technical requirements

Introduction to containers and Docker

Setting up a local Docker environment

Installing the sample application

Summary

Questions

Further reading

Building Applications Using Docker

Building Applications Using Docker

Technical requirements

Testing and building the application using Docker

Testing and building the application using Docker Compose

Automating the workflow

Summary

Questions

Further reading

Getting Started with AWS

Getting Started with AWS

Technical requirements

Setting up an AWS account

Logging in as the root account

Creating IAM users, groups, and roles

Creating an EC2 Key Pair

Using the AWS CLI

Introduction to AWS CloudFormation

Summary

Questions

Further reading

Introduction to ECS

Introduction to ECS

Technical requirements

ECS architecture

Creating an ECS cluster

Understanding ECS container instances

Creating an ECS task definition

Creating an ECS service

Deploying ECS services

Running ECS tasks

Using the ECS CLI

Deleting the Test Cluster

Summary

Questions

Further information

Publishing Docker Images Using ECR

Publishing Docker Images Using ECR

Technical requirements

Understanding ECR

Creating ECR repositories

Logging into ECR

Publishing Docker images to ECR

Pulling Docker images from ECR

Configuring lifecycle policies

Summary

Questions

Further reading

Building Custom ECS Container Instances

Building Custom ECS Container Instances

Technical requirements

Designing a custom Amazon Machine Image

Building a custom AMI using Packer

Building custom ECS container instance images using Packer

Testing your custom ECS container instance image

Summary

Questions

Further reading

Creating ECS Clusters

Creating ECS Clusters

Technical requirements

Deployment overview

Defining an ECS cluster

Configuring an EC2 Auto Scaling group

Defining an EC2 Auto Scaling launch configuration

Configuring CloudFormation Init Metadata

Configuring Auto Scaling group creation policies

Configuring EC2 instance profiles

Configuring EC2 security groups

Deploying and testing an ECS cluster

Summary

Questions

Further reading

Deploying Applications Using ECS

Deploying Applications Using ECS

Technical requirements

Creating an application database using RDS

Configuring Application Load Balancers

Creating ECS task definitions

Deploying ECS services

Creating a CloudFormation custom resource

Summary

Questions

Further reading

Managing Secrets

Managing Secrets

Technical requirements

Creating KMS keys

Creating secrets using the AWS Secrets Manager

Injecting secrets at container startup

Provisioning secrets using CloudFormation

Deploying secrets to AWS

Summary

Questions

Further reading

Isolating Network Access

Isolating Network Access

Technical requirements

Understanding ECS task networking

Configuring a NAT gateway

Configuring ECS task networking

Deploying and testing ECS task networking

Summary

Questions

Further reading

Managing ECS Infrastructure Life Cycle

Managing ECS Infrastructure Life Cycle

Technical requirements

Understanding ECS life cycle management

Building a new ECS container instance AMI

Configuring EC2 Auto Scaling rolling updates

Creating EC2 Auto Scaling life cycle hooks

Creating a Lambda function for consuming life cycle hooks

Deploying and testing Auto Scaling life cycle hooks

Summary

Questions

Further reading

ECS Auto Scaling

ECS Auto Scaling

Technical requirements

Understanding ECS cluster resources

Calculating the ECS cluster capacity

Implementing an ECS Auto Scaling solution

Summary

Questions

Further reading

Continuously Delivering ECS Applications

Continuously Delivering ECS Applications

Technical requirements

Introducing CodePipeline and CodeBuild

Creating a custom CodeBuild container

Adding CodeBuild support to your application repository

Creating a continuous integration pipeline using CodePipeline

Creating a continuous delivery pipeline using CodePipeline

Continuously delivering to production using CodePipeline

Summary

Questions

Further reading

Fargate and ECS Service Discovery

Fargate and ECS Service Discovery

Technical requirements

When to use Fargate?

Adding support for AWS X-Ray to applications

Creating an X-Ray daemon Docker image

Configuring ECS service discovery resources

Configuring an ECS task definition for Fargate

Configuring an ECS service for Fargate

Deploying and testing the X-Ray daemon

Summary

Questions

Further reading

Elastic Beanstalk

Elastic Beanstalk

Technical requirements

Introduction to Elastic Beanstalk

Creating an Elastic Beanstalk application

Configuring Elastic Beanstalk applications using the CLI

Customizing Elastic Beanstalk applications

Summary

Questions

Further reading

Docker Swarm in AWS

Docker Swarm in AWS

Technical requirements

Docker Swarm introduction

Installing Docker for AWS

Deploying applications to Docker Swarm

Deploying the sample application to Docker Swarm

Summary

Questions

Further reading

Elastic Kubernetes Service

Elastic Kubernetes Service

Technical requirements

Introduction to Kubernetes

Getting started with Kubernetes

Creating an EKS cluster

Deploying the sample application to EKS

Summary

Questions

Further reading

Assessments

Assessments

Chapter 1, Container and Docker Fundamentals

Chapter 2, Building Applications Using Docker

Chapter 3, Getting Started with AWS

Chapter 4, Introduction to ECS

Chapter 5, Publishing Docker Images Using ECR

Chapter 6, Building Custom ECS Container Instances

Chapter 7, Creating ECS Clusters

Chapter 8, Deploying Applications Using ECS

Chapter 9, Managing Secrets

Chapter 10, Isolating Network Access

Chapter 11, Managing the ECS Infrastructure Life Cycle

Chapter 12, ECS Auto Scaling

Chapter 13, Continuously Delivering ECS Applications

Chapter 14, Fargate and ECS Service Discovery

Chapter 15, Elastic Beanstalk

Chapter 16, Docker Swarm in AWS

Chapter 17, Elastic Kubernetes Service

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Introduction to Kubernetes

Kubernetes is an open source container management platform that was open sourced by Google in 2014, and achieved production readiness in 2015 with its 1.0 release. In the space of three years, it has established itself as the most popular container management platform, and is very popular for larger organizations that are looking to run their applications as container workloads. Kubernetes is one of the most popular open source projects (https://github.com/cncf/velocity/blob/master/docs/top30_chart_creation.md) on GitHub, and according to Redmonk, Kubernetes is used at 54% of Fortune 100 companies as of late 2017.

Key features of Kubernetes include the following:

Platform agnostic: Kubernetes can run anywhere, from your local machine to your data centre and in cloud providers such as AWS, Azure, and Google Cloud, whom all now offer integrated managed...

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