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31st July

Course Outline: Terraform with AWS

Introduction to Terraform and AWS Fundamentals

Module 1: Introduction to Infrastructure as Code (IaC)

  • Concepts and Benefits
    • Definition and importance of IaC
    • Comparison of IaC with traditional infrastructure management
    • Key benefits: automation, consistency, scalability, versioning
  • Overview of IaC Tools
    • Brief introduction to popular IaC tools (Terraform, Ansible, CloudFormation)
    • Why Terraform is a preferred choice

Module 2: Getting Started with Terraform

  • What is Terraform?
    • Overview of Terraform’s purpose and functionality
    • Core components: Providers, Resources, Modules, State
  • Installing and Configuring Terraform
    • Installation steps on different platforms (Windows, macOS, Linux)
    • Setting up AWS CLI and configuring access keys and credentials
    • Establishing connections between AWS and Terraform, as well as Azure and Terraform

Module 3: AWS Basics for Terraform

  • Understanding AWS Architecture
    • Overview of key AWS services (EC2, S3, RDS, VPC, IAM)
    • AWS Regions and Availability Zones
    • AWS Identity and Access Management (IAM) basics

Terraform Configuration and State Management

Module 4: Writing Basic Terraform Configurations

  • Terraform Configuration Language (HCL)
    • Syntax and structure of Terraform configuration files
    • Defining resources, providers, and variables
  • Creating Basic Resources
    • Hands-on: Creating an S3 bucket and EC2 instance
    • Understanding Terraform commands: terraform init, terraform plan, terraform apply, terraform destroy, terraform import, terraform fmt, terraform refresh, terraform workspace

Module 5: State Management in Terraform

  • Understanding Terraform State
    • Purpose and structure of the state file
    • State management commands (terraform state list, terraform state show) and best practices
  • Remote State Storage
    • Setting up remote state with AWS S3
    • Benefits of remote state: collaboration, security, backup
    • Implementing state locking with DynamoDB
    • Recovering resources using the state file

Terraform Variables and Outputs

Module 6: Managing Variables and Outputs

  • Using Variables in Terraform
    • Defining input variables
    • Variable types and validation
    • Overriding default values using command line, environment variables, and tfvars files
  • Outputs in Terraform
    • Defining and using outputs to capture resource attributes
    • Using outputs for inter-module communication

Module 7: Managing Secrets and Sensitive Data

  • Handling Sensitive Data in Terraform
    • Best practices for managing sensitive information (e.g., API keys, passwords)
    • Using AWS Secrets Manager and SSM Parameter Store
    • Secure storage of state files

Advanced Terraform Features

Module 8: Terraform Modules

  • Introduction to Modules
    • Concept of modules and their advantages
    • Creating reusable modules: structure and design principles
  • Using and Publishing Modules
    • Utilizing community modules from the Terraform Registry
    • Publishing and versioning custom modules

Module 9: Working with Multiple Environments

  • Environment Management Strategies
    • Structuring Terraform configurations for multiple environments (Dev, Staging, Prod)
    • Using workspaces to manage environments
  • Isolation and Security Considerations
    • Isolating environment resources
    • Managing access control with IAM roles and policies

Terraform Best Practices and CI/CD Integration

Module 10: Terraform Best Practices

  • Code Quality and Structure
    • Organizing Terraform code: file structure, naming conventions
    • Best practices for managing resource dependencies and avoiding common pitfalls
  • Version Control and Collaboration
    • Using Git for version control
    • Collaborating with teams: branching strategies, pull requests

Module 11: Integrating Terraform with CI/CD Pipelines

  • Automating Terraform Deployments
    • Setting up Terraform in CI/CD tools (Jenkins, GitLab CI, GitHub Actions)
    • Handling Terraform state in CI/CD
  • Testing and Validation
    • Using terraform validate, terraform fmt, and terraform plan
    • Implementing automated testing with tools like Terratest

Advanced Use Cases and Real-World Applications

Module 12: Advanced Terraform Use Cases

  • Infrastructure Scaling and Optimization
    • Auto-scaling with Terraform
    • Managing large-scale infrastructure
  • Integrating with Other Tools
    • Using Terraform with Packer for image building
    • Integrating Terraform with AWS CloudFormation

Module 13: Case Studies and Examples

  • Real-World Scenarios
    • Case studies on managing multi-account AWS environments
    • Migrating existing infrastructure to Terraform-managed
  • Discussion and Analysis
    • Analyzing challenges and solutions in real-world applications
    • Lessons learned and best practices

Practical Labs, Review, and Q&A

Module 14: Hands-On Lab Exercises

  • Lab 1: Deploying a Multi-Tier Application
    • Designing and deploying a VPC, EC2 instances, RDS, and S3
    • Implementing security groups, IAM roles, and policies
  • Lab 2: Managing Infrastructure Changes
    • Making updates to the existing infrastructure
    • Handling state and dealing with common issues

Module 15: Course Review and Q&A

  • Recap of Key Concepts
    • Reviewing key topics covered during the course
    • Common pitfalls and troubleshooting tips
  • Open Q&A Session
    • Addressing participant questions and concerns
    • Discussing advanced topics or specific challenges faced by participants