Book Image

AWS Certified DevOps Engineer - Professional Certification and Beyond

By : Adam Book
Book Image

AWS Certified DevOps Engineer - Professional Certification and Beyond

By: Adam Book

Overview of this book

The AWS Certified DevOps Engineer certification is one of the highest AWS credentials, vastly recognized in cloud computing or software development industries. This book is an extensive guide to helping you strengthen your DevOps skills as you work with your AWS workloads on a day-to-day basis. You'll begin by learning how to create and deploy a workload using the AWS code suite of tools, and then move on to adding monitoring and fault tolerance to your workload. You'll explore enterprise scenarios that'll help you to understand various AWS tools and services. This book is packed with detailed explanations of essential concepts to help you get to grips with the domains needed to pass the DevOps professional exam. As you advance, you'll delve into AWS with the help of hands-on examples and practice questions to gain a holistic understanding of the services covered in the AWS DevOps professional exam. Throughout the book, you'll find real-world scenarios that you can easily incorporate in your daily activities when working with AWS, making you a valuable asset for any organization. By the end of this AWS certification book, you'll have gained the knowledge needed to pass the AWS Certified DevOps Engineer exam, and be able to implement different techniques for delivering each service in real-world scenarios.
Table of Contents (31 chapters)
Section 1: Establishing the Fundamentals
Section 2: Developing, Deploying, and Using Infrastructure as Code
Section 3: Monitoring and Logging Your Environment and Workloads
Section 4: Enabling Highly Available Workloads, Fault Tolerance, and Implementing Standards and Policies
Section 5: Exam Tips and Tricks

Optimal Lambda use cases and anti-patterns

Now that we've looked at the AWS Lambda function as code service in detail, let's look at when it is best used and where Lambda is not the best choice. This is essential information to understand both as an AWS professional and while pursuing your AWS DevOps professional certification.

The Lambda service from AWS is very flexible, affordable, and interacts with a vast number of AWS services. It also allows you to write your code in many different languages that you feel comfortable with and use them as your runtime environment.

So, let's move on and look at some of the scenarios where Lambda would serve us best.

AWS Lambda optimal use cases

As more and more teams start to look at serverless solutions and patterns, let's look at where using the Lambda service makes sense.

You want to concentrate on the code and not the underlying infrastructure

If you or your team wants to concentrate on the features...