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Effective DevOps with AWS

By : Felsen

4.3 (6)

Buy this Book

Effective DevOps with AWS

4.3 (6)

By: Felsen

Buy this Book

Overview of this book

The DevOps movement has transformed the way modern tech companies work. AWS which has been on the forefront of the Cloud computing revolution has also been a key contributor of this DevOps movement creating a huge range of managed services that help you implement the DevOps principles. In this book, you’ll see how the most successful tech start-ups launch and scale their services on AWS and how you can too. Written by a lead member of Mediums DevOps team, this book explains how to treat infrastructure as code, meaning you can bring resources online and offline as necessary with the code as easily as you control your software. You will also build a continuous integration and continuous deployment pipeline to keep your app up to date. You’ll find out how to scale your applications to offer maximum performance to users anywhere in the world, even when traffic spikes with the latest technologies, such as containers and serverless computing. You will also take a deep dive into monitoring and alerting to make sure your users have the best experience when using your service. Finally, you’ll get to grips with ensuring the security of your platform and data.

Preface

What this book covers

What you need for this book

Who this book is for

Conventions

Reader feedback

Customer support

Free Chapter

The Cloud and the DevOps Revolution

Thinking in terms of the cloud and not infrastructure

Adopting a DevOps culture

Deploying in AWS

Summary

Deploying Your First Web Application

Creating and configuring your account

Creating our first web server

Summary

Treating Your Infrastructure As Code

Managing your infrastructure with CloudFormation

Adding a configuration management system

Summary

Adding Continuous Integration and Continuous Deployment

Building a continuous integration pipeline

Building a continuous deployment pipeline

Summary

Scaling Your Infrastructure

Scaling a monolithic application

Improving performance and cost saving

Architecting your application to handle massive amounts of traffic

Summary

Running Containers in AWS

Dockerizing our helloworld application

Using the EC2 container service

Creating a CI/CD pipeline to deploy to ECS

Summary

Monitoring and Alerting

Instrumenting our application for monitoring

Monitoring our infrastructure

Creating alarms using CloudWatch and SNS

Summary

Hardening the Security of Your AWS Environment

Understanding where to focus your effort

Improving the security of the IAM layer

Strengthening the security at the network level

Protecting against targeted attacks

Summary

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Creating alarms using CloudWatch and SNS

Up to this point, we have focused on exposing metrics to better understand what is happening around us. We can now access the data and create nice visualizations of it, but that is not enough. Mean time to discover (MTD) and Mean time to recover (MTTR) are two very common metrics used to see how the operations team, and by extension the DevOps team, is performing. To keep those two metrics as low as possible, automated alerts are essential. A good alerting system will often help to rapidly identify issues in your systems and help minimize service degradation and disruption. That said, creating the proper alarms isn't always as easy as it sounds.

What should we be alerted about? Measuring everything doesn't mean being alerted about everything. As a rule of thumb, aim at creating alerts about symptoms rather than causes, and be...