2-weeks Learning plan of Terraform

Here's a 2-week Terraform learning plan covering everything from basics to advanced topics.

Week 1: Terraform Fundamentals

Day 1: Introduction to Terraform

• What is Terraform?
• Benefits of Infrastructure as Code (IaC)
• Terraform vs Other IaC Tools (CloudFormation, Ansible, Pulumi)
• Installing Terraform

Day 2: Terraform Basics

• Terraform CLI and Workflow (init, plan, apply, destroy)
• Terraform Configuration Files (.tf files)
• Providers, Resources, and Data Sources
• Hands-on: Creating a Simple EC2 Instance on AWS

Day 3: Variables and Outputs

• Defining Variables (variable.tf)
• Using Default and Environment Variables
• Sensitive Variables (sensitive = true)
• Outputs (output.tf)
• Hands-on: Using Variables in an EC2 Deployment

Day 4: Terraform State Management

• What is Terraform State?
• Local vs Remote State Storage
• Terraform State Locking
• Hands-on: Storing State in AWS S3 with DynamoDB Locking

Day 5: Terraform Modules

• What are Modules?
• Creating and Using Modules
• Terraform Registry and Reusing Public Modules
• Hands-on: Building a VPC Module

Day 6: Provisioners and Meta-Arguments

• Provisioners (local-exec, remote-exec)

• Meta-Arguments (count, for_each, depends_on)
• Hands-on: Automating Software Installation on EC2 with Remote-Exec

Day 7: Mini Project

• Hands-on: Deploying a Basic 3-Tier Architecture (VPC, Subnet, EC2, Security Groups)

Week 2: Advanced Terraform and Best Practices

Day 8: Terraform Cloud and Workspaces

• What is Terraform Cloud?
• Workspaces for Multi-Environment Deployments
• Remote Execution in Terraform Cloud
• Hands-on: Setting Up Workspaces

Day 9: Terraform with CI/CD

• Integrating Terraform with GitHub Actions/GitLab CI
• Managing Terraform Workflows in a CI/CD Pipeline
• Hands-on: Automating Terraform Deployment using GitHub Actions

Day 10: Handling Secrets and Security in Terraform

• Managing Secrets with AWS Secrets Manager/Vault
• Using Environment Variables for Sensitive Data
• Securely Handling State Files
• Hands-on: Storing and Using AWS Credentials Securely

Day 11: Debugging and Troubleshooting Terraform

• Common Terraform Errors and How to Fix Them
• Debugging with TF_LOG and terraform fmt
• Hands-on: Fixing Broken Terraform Configurations

Day 12: Terraform Best Practices

• Writing Clean and Maintainable Terraform Code
• Organizing Terraform Projects
• Implementing DRY (Don’t Repeat Yourself) Principles
• Hands-on: Refactoring an Existing Terraform Project

Day 13: Terraform with Kubernetes (Optional Advanced Topic)

• Terraform vs Helm for Kubernetes Management
• Deploying Kubernetes Clusters with Terraform (EKS/GKE/AKS)
• Hands-on: Deploying an EKS Cluster with Terraform

Day 14: Final Project and Wrap-up

• Hands-on: Build a Fully Automated Infrastructure (VPC, Subnets, EC2, RDS, Load Balancer)
• Review and Next Steps (Terraform Enterprise, Sentinel, Custom Providers)