Terraform Course Complete Index & Guide

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Course: Terraform for Beginners (ADV-IT)
YouTube Playlist: https://www.youtube.com/watch?v=R0CaxXhrfFE&list=PLg5SS_4L6LYujWDTYb-Zbofdl44Jxb2l8
Author: Denis Astahov (ADV-IT)
GitHub: https://github.com/adv4000/terraform-lessons
Language: Russian 🇷🇺

📚 Course Structure

Main Topics (8 files)

# File Topics Covered Level
1 01-terraform-basics.md What is Terraform, Installation (Windows/Linux/macOS), First steps Beginner
2 02-atom-editor-aws-resources.md Atom editor setup, AWS credentials, Creating resources Beginner
3 03-managing-aws-resources.md Modifying, changing, destroying resources Beginner
4 04-variables-and-locals.md Variables, tfvars, locals, template files, file() function Beginner
5 05-advanced-features.md Dynamic blocks, lifecycle rules, outputs, dependencies, data sources Intermediate
6 06-loops-conditions-import.md Count, for_each, if conditions, local-exec, terraform import, taint Intermediate
7 07-modules-state-multicloud.md Creating modules, remote state (S3), workspaces, multi-region, multi-account, GCP Advanced
8 terraform-commands-reference.md Complete command reference and troubleshooting guide Reference

Quick Index

Reference File Description
Commands terraform-commands-reference.md All terraform commands
Course Guide terraform-course-index.md This file

🎯 Course Overview

Урок 1-2: Основы и установка

Topics: Что такое Terraform, преимущества, установка Outcome: Установленный Terraform на вашей ОС

Урок 3-4: Редактор и первые ресурсы

Topics: Atom editor, AWS ключи, создание первого ресурса Outcome: Созданные ресурсы в AWS через Terraform

Урок 5-7: Управление ресурсами

Topics: Изменение, обновление, удаление ресурсов Outcome: Полное управление жизненным циклом ресурсов

Урок 8-10: Переменные и файлы

Topics: Переменные, tfvars файлы, внешние файлы, шаблоны Outcome: Параметризованные конфигурации

Урок 11-15: Продвинутые функции

Topics: Dynamic блоки, lifecycle, outputs, зависимости, data sources Outcome: Production-ready конфигурации

Урок 16-21: Циклы, условия, импорт

Topics: count, for_each, условия, import, taint Outcome: Гибкие и переиспользуемые конфигурации

Урок 22-27: Модули и multi-cloud

Topics: Создание модулей, remote state, workspaces, multi-region/account, GCP Outcome: Enterprise-level infrastructure as code

Урок 28-40: Дополнительно

Topics: Provisioners, conditions/lookups, Terraform Cloud, sertification prep Outcome: Production deployment и optimization

🚀 Learning Paths

Path 1: Quick Start (6-8 hours)

  1. 01-terraform-basics.md (1 hour)
  2. 02-atom-editor-aws-resources.md (1 hour)
  3. 04-variables-and-locals.md (1-2 hours)
  4. 03-managing-aws-resources.md (1 hour)
  5. 06-loops-conditions-import.md (2-3 hours)

Result: Можете создавать простую инфраструктуру на AWS

Path 2: Developer (15-20 hours)

  1. 01-terraform-basics.md
  2. 02-atom-editor-aws-resources.md
  3. 03-managing-aws-resources.md
  4. 04-variables-and-locals.md
  5. 05-advanced-features.md
  6. 06-loops-conditions-import.md
  7. 07-modules-state-multicloud.md (первая часть)

Result: Production-ready код с модулями и best practices

Path 3: Complete (25-35 hours)

Все файлы по порядку от начала до конца

Result: Enterprise-level infrastructure management

💡 Key Concepts

Terraform Workflow

Write → Plan → Apply → Destroy
  ↓        ↓      ↓        ↓
Code   Preview  Deploy  Cleanup

File Types

File Purpose
*.tf Основные конфигурационные файлы
terraform.tfvars Значения переменных
terraform.tfstate Состояние инфраструктуры (НЕ КОММИТИТЬ!)
*.auto.tfvars Автоматически загружаемые переменные

Core Objects

Object Description
Provider Облачный провайдер (AWS, GCP, Azure)
Resource Облачный ресурс (EC2, S3, VPC)
Variable Входной параметр
Output Выходное значение
Local Локальная переменная
Module Переиспользуемый блок кода
Data source Информация о существующих ресурсах

✅ Learning Checklist

Basics

  • [ ] Установить Terraform
  • [ ] Понимаете что такое IaC
  • [ ] Знаете структуру HCL синтаксиса
  • [ ] Можете создать простой ресурс

Variables & Configuration

  • [ ] Объявляете переменные
  • [ ] Используете tfvars файлы
  • [ ] Работаете с локальными переменными
  • [ ] Используете внешние файлы (file, templatefile)

Resource Management

  • [ ] Создаете ресурсы
  • [ ] Изменяете ресурсы
  • [ ] Удаляете ресурсы
  • [ ] Используете lifecycle правила

Advanced Features

  • [ ] Создаете outputs
  • [ ] Используете data sources
  • [ ] Работаете с dependencies
  • [ ] Создаете dynamic блоки

Control Flow

  • [ ] Используете count циклы
  • [ ] Используете for_each циклы
  • [ ] Применяете условия
  • [ ] Импортируете ресурсы

Modules & Organization

  • [ ] Создаете модули
  • [ ] Используете remote state (S3)
  • [ ] Работаете с workspaces
  • [ ] Развертываете в несколько регионов

Best Practices

  • [ ] Структурируете код
  • [ ] Используете version control (Git)
  • [ ] Документируете конфигурацию
  • [ ] Следуете best practices
1. Basics (01-02)
   ↓
2. First Resources (02-03)
   ↓
3. Variables (04)
   ↓
4. Advanced Features (05)
   ↓
5. Loops & Conditions (06)
   ↓
6. Modules & Organization (07)
   ↓
7. Master all concepts
   ↓
8. Build real projects

🔧 Common Use Cases

Case 1: Simple Web Server

Files needed: 01, 02, 03, 04 Time: 2-3 hours Result: EC2 instance with security group

Case 2: Multi-Environment (Dev/Prod)

Files needed: 01-04, 06 Time: 4-6 hours Result: Separate environments with variables

Case 3: Reusable VPC Module

Files needed: All + examples Time: 8-10 hours Result: Published module on Terraform Registry

Case 4: Multi-Cloud Setup

Files needed: 07 (GCP section) Time: 6-8 hours Result: AWS + GCP infrastructure

Case 5: Enterprise Infrastructure

Files needed: All files Time: 20-30 hours Result: Production-grade infrastructure

🎓 Project Ideas

Beginner Projects

  1. Single EC2 Instance - Simple web server
  2. VPC + Subnet - Networking basics
  3. S3 Bucket - Object storage
  4. Security Groups - Network security

Intermediate Projects

  1. Auto Scaling Group - Multi-instance setup
  2. RDS Database - Managed database
  3. Load Balancer - Traffic distribution
  4. Multi-Environment Setup - Dev, Staging, Prod

Advanced Projects

  1. Custom Module - Reusable VPC module
  2. Microservices - ECS/Kubernetes
  3. CI/CD Pipeline - CodePipeline integration
  4. Disaster Recovery - Multi-region setup

📚 Additional Resources

Official Documentation

  • Terraform Docs: https://www.terraform.io/docs/
  • AWS Provider: https://registry.terraform.io/providers/hashicorp/aws/latest/docs
  • GCP Provider: https://registry.terraform.io/providers/hashicorp/google/latest/docs
  • Registry: https://registry.terraform.io/

Learning Platforms

  • HashiCorp Learn: https://learn.hashicorp.com/terraform
  • Linux Academy: https://linuxacademy.com/
  • A Cloud Guru: https://acloudguru.com/

Community

  • Terraform Discuss: https://discuss.hashicorp.com/c/terraform/
  • Reddit: https://reddit.com/r/terraform/
  • GitHub Issues: https://github.com/hashicorp/terraform/issues

🔒 Best Practices Summary

Security

  • ✅ Never commit state files to Git
  • ✅ Use AWS IAM roles instead of keys
  • ✅ Encrypt sensitive outputs
  • ✅ Use remote state backend (S3 + DynamoDB)

Organization

  • ✅ Use meaningful names
  • ✅ Organize code in modules
  • ✅ Document variables and outputs
  • ✅ Use version control

Development

  • ✅ Always run terraform plan before apply
  • ✅ Use variable files for different environments
  • ✅ Test locally before production
  • ✅ Keep state clean and organized

Maintenance

  • ✅ Regular backups of state
  • ✅ Monitor for state drift
  • ✅ Keep Terraform updated
  • ✅ Review and audit changes

📋 Quick Reference Commands

# Setup
terraform init
terraform validate
terraform fmt -recursive

# Plan & Apply
terraform plan -var-file="prod.tfvars"
terraform apply -var-file="prod.tfvars"

# State Management
terraform state list
terraform state show aws_instance.web
terraform import aws_instance.web <id>

# Debug
terraform plan -json > plan.json
export TF_LOG=DEBUG

# Destroy
terraform destroy -var-file="prod.tfvars"

📝 Document Information

  • Created: November 26, 2025
  • Version: 1.0
  • Total Files: 8 lesson files + 2 reference files
  • Estimated Study Time: 20-40 hours
  • Last Updated: November 26, 2025

🎯 Goals After Course

You Will Be Able To:

  • ✅ Create infrastructure as code
  • ✅ Manage multiple environments
  • ✅ Create reusable modules
  • ✅ Deploy to AWS, GCP, Azure
  • ✅ Manage state effectively
  • ✅ Implement best practices
  • ✅ Collaborate with teams
  • ✅ Troubleshoot issues

Career Impact:

  • 📈 DevOps/Infrastructure skills
  • 📈 Cloud certifications
  • 📈 Automation expertise
  • 📈 Better job opportunities

Ready to master Terraform? Let's get started! 🚀

Start with 01-terraform-basics.md and follow the learning path that matches your goals.

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