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Amazon Fargate Quick Start Guide

By : Deepak Vohra

3.5 (6)

Buy this Book

Amazon Fargate Quick Start Guide

3.5 (6)

By: Deepak Vohra

Buy this Book

Overview of this book

Amazon Fargate is new launch type for the Amazon Elastic Container Service (ECS). ECS is an AWS service for Docker container orchestration. Docker is the de facto containerization framework and has revolutionized packaging and deployment of software. The introduction of Fargate has made the ECS platform serverless. The book takes you through how Amazon Fargate runs ECS services composed of tasks and Docker containers and exposes the containers to the user. Fargate has simplified the ECS platform. We will learn how Fargate creates an Elastic Network Interface (ENI) for each task and how auto scaling can be enabled for ECS tasks. You will also learn about using an IAM policy to download Docker images and send logs to CloudWatch. Finally, by the end of this book, you will have learned about how to use ECS CLI to create an ECS cluster and deploy tasks with Docker Compose.

Preface

Who this book is for

What this book covers

To get the most out of this book

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Free Chapter

Getting Started with Amazon ECS and Amazon Fargate

What Amazon Fargate is

Benefits of Fargate

Amazon ECS objects

Compute resources in Amazon ECS Fargate

What is new in the Amazon Fargate launch type mode?

Summary

Networking

Creating an ECS cluster and service

Running additional tasks

Accessing the service

Deleting a cluster

Summary

Using CloudWatch Logs

Overview of CloudWatch Logs and aws log driver

Creating an ECS service for MySQL database

Configuring a Container definition

Configuring logging

Configuring a Task definition

Configuring a service

Configuring a cluster

Creating an ECS service

Exploring Task logs

Exploring CloudWatch Logs

Exploring CloudWatch metrics

Summary

Using Auto Scaling

Creating an ECS service for a Hello world application

Types of auto scaling

Configuring an auto scaling policy

Demonstrating the use of auto scaling

Exploring CloudWatch metrics and Logs

Updating auto scaling policy

Summary

Using IAM

Creating an IAM user

Adding a custom policy for Elastic Load Balancing

Logging in as the IAM user

Summary

Using an Application Load Balancer

Creating an application load balancer

Creating a task definition

Creating a service

Configuring an application load balancer

Invoking the Hello World application

Stopping tasks and deleting a load balancer

Summary

Using Amazon ECS CLI

Setting up the environment

Installing ECS CLI

Installing AWS Tools for Windows PowerShell

Configuring ECS CLI

Setting up prerequisites for Fargate

Registering the task execution policy

Creating an ECS cluster

Creating a security group

Granting security group Ingress

Creating a compose file

Configuring ECS specific parameters

Deploying the compose file to the cluster

Listing the running containers on the cluster

Listing the container logs

Scaling the tasks on the cluster

Accessing the WordPress service

Deleting the service and the cluster

Summary

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Running additional tasks

By default, one task is created. In this section, we shall discuss the procedure to add an additional task. The Tasks tab in the cluster displays the tasks associated with a cluster:

Tasks associated with a service are listed on the service page. To display a task definition's details, click on the link for the task definition in the Service page or the cluster page. A task definition is shown in the following screenshot:

To run a new task, select Actions | Run Task. A new task gets created with Run Task:

Two options are provided for the launch type to run a new task: Fargate and EC2. Select the Fargate launch type, as shown in the following screenshot.
The Task Definition name is pre-specified. The Platform version is LATEST by default.
The Cluster is also selected and, if more than one cluster is available, the cluster may be selected...