Book Image

Amazon Fargate Quick Start Guide

By : Deepak Vohra
Book Image

Amazon Fargate Quick Start Guide

By: Deepak Vohra

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.

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Table of Contents (14 chapters)
Title Page
Title Page
Copyright and Credits
Copyright and Credits
Packt Upsell
Packt Upsell
Contributors
Contributors
Preface
Preface
Free Chapter
1
Getting Started with Amazon ECS and Amazon Fargate
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
2
Networking
Networking
Creating an ECS cluster and service
Running additional tasks
Accessing the service
Deleting a cluster
Summary
3
Using CloudWatch Logs
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
4
Using Auto Scaling
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
5
Using IAM
Using IAM
Creating an IAM user
Adding a custom policy for Elastic Load Balancing
Logging in as the IAM user
Summary
6
Using an Application Load Balancer
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
7
Using Amazon ECS CLI
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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Index
Index

Creating an ECS cluster

Having configured the prerequisites, next we shall create an ECS Fargate cluster. Run the following command in PowerShell to create a cluster:

esc-cli up

As the command output indicates, a cluster gets created using the cluster configuration set up earlier. A VPC and two subnets also get created:

PS C:\PowerShell> ecs-cli up
←[36mINFO←[0m[0002] Created cluster ←[36mcluster←[0m=hello-world ←[36mregion←[0m=us-east-1
←[36mINFO←[0m[0003] Waiting for your cluster resources to be created...
←[36mINFO←[0m[0004] Cloudformation stack status ←[36mstackStatus←[0m=CREATE_IN_PROGRESS
←[36mINFO←[0m[0065] Cloudformation stack status ←[36mstackStatus←[0m=CREATE_IN_PROGRESS
 VPC created: vpc-6e021915
 Subnet created: subnet-2c02dd4b
 Subnet created: subnet-f2d50bdc
 Cluster creation succeeded.
 PS C:\PowerShell>

Access the ECS Console in a web browser and the hello-world cluster gets listed, as shown here:

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