AWS for DevOps — Introduction

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Chapter 1 — Introduction

Before you launch your first EC2 instance or create an S3 bucket, you need to understand what AWS is, how its global infrastructure works, and why it has become the default platform for DevOps teams worldwide.

This chapter covers:

Section Topic
1.1 What is AWS?
1.2 AWS Global Infrastructure
1.3 Shared Responsibility Model
1.4 AWS Free Tier
1.5 AWS CLI Setup
1.6 Practice Exercises

The Big Picture

AWS (Amazon Web Services) is the world’s largest cloud platform — offering over 200 services that let you run applications, store data, and automate infrastructure without owning a single server.

For DevOps engineers, AWS is not just a cloud provider — it is a complete toolkit for building, deploying, monitoring, and securing applications:

  Code Commit       Build & Test       Deploy          Monitor
  ┌──────────┐     ┌──────────┐     ┌──────────┐     ┌──────────┐
  │CodeCommit│ ──► │CodeBuild │ ──► │CodeDeploy│ ──► │CloudWatch│
  │ GitHub   │     │          │     │ ECS/EKS  │     │CloudTrail│
  └──────────┘     └──────────┘     │ Lambda   │     │ X-Ray    │
                                    └──────────┘     └──────────┘

By the end of this chapter, you will have an AWS account configured, the AWS CLI installed, and a solid understanding of how AWS organizes its global infrastructure.

Start with → What is AWS?

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