Terraform Infrastructure as Code

Terraform is an open-source Infrastructure as Code (IaC) tool created by HashiCorp that enables users to define, provision, and manage cloud and on-premises infrastructure using a human-readable configuration language known as HashiCorp Configuration Language (HCL). By writing declarative configuration files that describe the desired state of resources—such as virtual machines, networks, and storage—developers and operators can generate an execution plan to preview changes before applying them, ensuring predictable and repeatable environment creation. This approach allows infrastructure to be versioned, shared, and reused like software, automating the management of resources across various cloud providers (e.g., AWS, Azure, GCP) and other services from a single, unified workflow.

1. Introduction to Infrastructure as Code
   1. Defining Infrastructure as Code
      1. Traditional Infrastructure Management Challenges
      2. Core Principles of IaC
      3. Infrastructure as Software
   2. Declarative vs Imperative Approaches
      1. Declarative IaC Characteristics
      2. Imperative IaC Characteristics
      3. Comparison and Trade-offs
   3. Benefits of Infrastructure as Code
      1. Automation and Efficiency
      2. Repeatability and Consistency
      3. Version Control Integration
      4. Scalability and Flexibility
      5. Error Reduction
      6. Team Collaboration
      7. Cost Management
      8. Compliance and Auditing
   4. IaC Tool Categories
      1. Configuration Management Tools
      2. Infrastructure Provisioning Tools
      3. Container Orchestration Tools
      4. Policy as Code Tools
   5. Introduction to Terraform
      1. HashiCorp Terraform Overview
      2. Core Philosophy and Design Principles
      3. Desired State Management
      4. Provider-Based Architecture
      5. Multi-Cloud Capabilities
      6. Open Source vs Enterprise Editions