Intro
Table of Contents
About the Authors
About the Technical Reviewer
Acknowledgments
Introduction
Part 1: Concepts
Chapter 1: Introduction to Infrastructure as Code
The Culture of DevOps
The Evolution from DevOps to Infrastructure as Code
What Is Infrastructure as Code?
The Perspectives
Benefits Adapting Infrastructure as Code
Improved Time to Production
Reduction in Drifting Configurations
Faster and Efficient Development Life Cycle
Maximizing the Scope of Provisioning
Lowered Costs and Increase in ROI

Adapting Tools of Infrastructure as Code
Factors Deciding Adaption of Infrastructure as Code
Approaches for Infrastructure as Code
Best Practices of Infrastructure as Code
The Way Ahead
Chapter 2: Patterns and Principles of Infrastructure as Code
The Emergence of Infrastructure as Code
The Focus with Infrastructure as Code
The Challenges with Infrastructure as Code
Sprawling Servers
Configuration Drift
Snowflake Server
Fragility of Infrastructure
Fear of Automation
Erosion of Infrastructure
Considerations for Quality Infrastructure

In-Depth Knowledge
Organizational Workflow
Perpetual Steps
The Principles of Infrastructure as Code
Idempotency
Immutability
Easily Reproducible Systems
Easily Disposable Systems
Easily Repeatable Processes
Consistent Systems
Ever-Evolving Designs
Self-Reliant Documentation
The Patterns of Infrastructure as Code
Updates in Documentation
Using GitOps
Securing Your Infrastructure
Securing Secrets
Adapting Security Standards
Restricting User Privileges
Relying on Trusted Sources
Security Measures
Least Privileged Position

Using Security Tools
Infrastructure Updates
Threat Detection
Testing the Infrastructure
Concerns with Infrastructure as Code
Infrastructure as Code at Scale
Evolving Business Requirements
Evolving Security Requirements
Evolving Provider Requirements
The Way Ahead
Chapter 3: Management of Infrastructure as Code
The Emergence of Infrastructure Teams
Preparing Infrastructure as Code
Evaluation of Infrastructure
Choosing the Right Security Mechanisms
Structuring the Data
Automating Workloads
Uniform Governance
Hybrid Strategies

Blue-Green Deployment Strategy
Process and Architecture
Working Mechanism
Preparing Deployments
Adapting Simplicity
Environment Replicability
Configuration Management
Process and Architecture
The Way Ahead
Chapter 4: Production Complexity Management
Modern Application Infrastructures
Managing Deployments Without Downtime
Canary Deployment Strategy
Process and Architecture
Working Mechanism
Adapting Simplicity
Environment Replicability
Rolling Release Deployment Strategy
Process and Architecture
Steps for Managing Production Complexity