You're reading from AWS for System Administrators Build, automate, and manage your infrastructure on the most popular cloud platform – AWS

Product type Paperback

Published in Feb 2021

Publisher Packt

ISBN-13 9781800201538

Length 388 pages

Edition 1st Edition

Tools

AWS

Concepts

System Administration

Author (1):

Prashant Lakhera

View More author details

Table of Contents (18) Chapters

Preface

1. Section 1: AWS Services and Tools

2. Chapter 1: Setting Up the AWS Environment FREE CHAPTER

3. Chapter 2: Protecting Your AWS Account Using IAM

4. Section 2: Building the Infrastructure

5. Chapter 3: Creating a Data Center in the Cloud Using VPC

6. Chapter 4: Scalable Compute Capacity in the Cloud via EC2

7. Section 3: Adding Scalability and Elasticity to the Infrastructure

8. Chapter 5: Increasing an Application's Fault Tolerance with Elastic Load Balancing

9. Chapter 6: Increasing Application Performance Using AWS Auto Scaling

10. Chapter 7: Creating a Relational Database in the Cloud using AWS Relational Database Service (RDS)

11. Section 4: The Monitoring, Metrics, and Backup Layers

12. Chapter 8: Monitoring AWS Services Using CloudWatch and SNS

13. Chapter 9: Centralizing Logs for Analysis

14. Chapter 10: Centralizing Cloud Backup Solution

15. Chapter 11: AWS Disaster Recovery Solutions

16. Chapter 12: AWS Tips and Tricks

17. Other Books You May Enjoy

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Configuring a website to fail over to an S3 bucket

In a real-time scenario, we will configure an S3 static website, which we will use as a failover if there's an issue with our primary website. To do the failover, we are going to use the Route53 health check.

Our primary website is hosted on EC2 behind an application load balancer:

Figure 11.1 – Primary website using ALB and EC2 instances

If the primary EC2 instances go down, Route53 will route traffic to an S3 bucket using a failover policy that is hosting our static website:

Figure 11.2 – Route53 failover to S3 in case of EC2 failure

This chapter assumes that you already have a Route53 public hosted zone that is hosting your website. A public hosted zone holds information such as how to route traffic on the internet for a specific domain, for example, amazon.com. For more information about public hosted zones, check out the following link: https://docs.aws...