Terraform Beginners Guide

• 00-Terraform-Basics - Terraform Definitions and more

• 01-Terraform-Installation - Install Terraform

• 02-Terraform-Configuration - Configure Terraform

• 03-Terraform-Terminologies

  • Provider : Define the providers like AWS, Azure, GCP
  • Resource : Infrastructure Resources to be created, ex: VPC, S3, EC2
  • Data Sources (optional) : Pull the data from the provider
  • Variable: Give user option to enter the value for defined resources
  • Arguments : Inputs
  • Attributes : Outputs
  • Meta-Arguments : Terraform specific Inputs ex: count, for_each,depends_on

• 04-Terraform-Top-Level-Blocks - Terraform Top Level Blocks

  • Terraform Block (>0.13 version) or Terraform Settings Block or Terraform Configuration Block
  • Provider Block
  • Resource Block
  • Input Variables Block
  • Output Values Block
  • Local Values Block
  • Data Sources Block
  • Modules Block

• 05-Terraform-Commands - Basic Terraform Commands

  • terraform init
  • terraform validate
  • terraform plan
  • terraform apply or terraform apply -auto-approve
  • terraform destroy or terraform destroy -auto-approve

• 06-Terraform-VPC-Demo - Simple Demo to Create AWS VPC using Terraform

• 07-Terraform-Resources - Understanding Resource behavior

  • created
  • destroyed
  • updated

• 08-Terraform-Resource-Meta-Arguments - Terraform Meta-Arguments

  1. count
  2. for_each
  3. depends_on
  4. provider
  5. lifecycle

• 09-Terraform-Variables - Terraform Variables

  1. Terraform Variables with default Option
  2. Overriding default Variable values with -var Option
  3. Overriding default Variable values with Environment Variables Options
  4. Overriding default Variable values with terraform.tfvars file
  5. Overriding default Variable values with different .tfvars using -var-file Option
  6. Terraform Variables type list
  7. Terraform Variables type map
  8. Custom Validation Rules
  9. Sensitive Variables

• 10-Terraform-Outputs - Terraform Output Values

• 11-Terraform-Data-Sources - Terraform Data Sources

• 12-Terraform-State - Terraform State

• 13-Terraform-Show - Terraform Show (need to update)

• 14-Terraform-Refresh - Terraform Refresh Desired and Current state sync

• 15-Terraform-State-Commands - Inspect, Modify, and Manage the Terraform state

• 16-Terraform-Workspaces - Manage multiple sets of infrastructure (dev, uat, pre, and prd) with the same Terraform configuration

• 17-Terraform-Modules - Reusable terraform codes

• 18-Terraform-Import - Bring Existing Infrastructure Under IaC

• 19-Terraform-Debug - Debugging Terraform

• 20-Terraform-Exam-Cheat-Sheet - Cheat Sheet for Terraform Certification

• 99-Terraform-Example-Codes - Sample Terraform codes for more practice

• Pending Notes

  • 02-Terraform-Configuration
  • 04-Terraform-Top-Level-Blocks
    • Multiple Providers ( covered in meta argument provider)
  • 05-Terraform-Commands
  • 06-Terraform-VPC-Demo
    • execute the terraform commands to create VPC using vpc.tf and update the command documentation with screenshots
  • 07-Terraform-Resources
    • Terraform resource behavior for in place update (add tag) destroy and recreate (change AZ)
  • 08-Terraform-Resource-Meta-Arguments
    • for_each for set creating iam user notes
  • 11-Terraform-local-values
  • 13-Terraform-Show
  • 17-Terraform-Modules
    • add some examples
  • 18-Terraform-Import
    • add some examples

Project Work and Example Codes

1. Simple EC2 Creation

2. Simple EC2 Creation Using Data Blocks

3. Static Website Using S3

4. Static Website Using S3 Multi Env

5. Create Simple Web Server (TBD)

   • AWS Components
     • EC2
     • Security Group to allow port 22
     • Security Group to allow port 80, 443
   • Use Terraform variables where ever possible.

HashiCorp Certified: Terraform Associate (003)

• If you are planning to get certified, Please find below Online course that can help you to prepare and clear the Exams

• Choose any course or author you feel connected and follow along to complete entire playlist or the course to master terraform

• Please note below mentioned course list is collected based on various positive reviews across social media platforms

• I personally have not gone through every video, but have referenced different sections based on the topic I wanted to understand.

• Thanks to all the wonderful authors out there who have put lot of efforts in making these videos on terraform.

Youtube Terraform videos to Get Started

1. Terraform Zero to Hero by Abhishek Veeramalla
   • Terraform Zero to Hero
2. FreeCodeCamp.org and Andrew Brown
   • HashiCorp Terraform Associate Certification Course (003) - Pass the Exam!
   • Terraform Beginner Bootcamp
   • Terraform Crash Course - Automate your AWS cloud infrastructure
3. Terraform Course by Derek Morgan
   • Terraform Foundations Course
4. Terraform Course by Sid
   • Complete Terraform Course - From BEGINNER to PRO!

Udemy Terraform Courses and Practice Tests

1. HashiCorp Certified: Terraform Associate - Hands-On Labs - by Bryan Krausen

2. HashiCorp Certified: Terraform Associate Practice Exam 2024 - by Bryan Krausen

3. HashiCorp Certified: Terraform Associate -50 Practical Demos - by Kalyan Reddy Daida

4. Terraform for the Absolute Beginners with Labs - by Mumshad Mannambeth

5. Complete Terraform Course - Beginner to Advanced - by Nana Janashia

6. HashiCorp Certified: Terraform Associate 2024 - by Zeal Vora

My Terraform Certification and ScoreCard

• My Terraform Certificate

  

• My Terraform ScoreCard

  

Important Links

• Website: https://www.terraform.io

• Forums: HashiCorp Discuss

• Documentation: https://www.terraform.io/docs/

• Tutorials: HashiCorp's Learn Platform

• Certification Exam: HashiCorp Certified: Terraform Associate

• Sample Questions - Terraform Associate Certification

• Study Guide - Terraform Associate Certification

• Exam Review - Terraform Associate Certification

Below section is for my notes, please ignore.

04-Terraform-Top-Level-Blocks

• Terraform Block (>0.13 version) or Terraform Settings Block or Terraform Configuration Block
• Provider Block
• Resource Block
• Input Variables Block
• Output Values Block
• Local Values Block
• Data Sources Block
• Modules Block

terraform apply

$ terraform apply -var-file 03_secrets.tfvars 

Terraform used the selected providers to generate the following execution plan
+ create
Apply complete! Resources: 1 added, 0 changed, 0 destroyed.