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Learn 12 Terraform Concepts with a Hands-On Project
- Terraform is an Infrastructure as Code tool that beginners in cloud computing should learn for its advantages.
- A hands-on Terraform project involves creating a furniture store website on an EC2 Instance with an Auto-Scaling Group and Application Load Balancer.
- Terraform is declarative, where you declare the desired infrastructure without specifying steps to achieve it - achieving idempotency.
- The terraform.tfstate file tracks provisioned infrastructure and helps Terraform understand existing resources without excessive API calls.
- The .terraform folder in a project contains necessary metadata and configurations for Terraform.
- The terraform.lock.hcl file ensures consistent provider versions and should be committed to version control for stability.
- main.tf is a primary Terraform configuration file with core settings, and Terraform automatically processes all .tf files in a directory.
- The terraform init command initializes a project with necessary plugins, backend configurations, and modules.
- terraform plan previews changes, terraform apply applies changes, and terraform destroy removes all resources created.
- Variables store dynamic values, and outputs provide information post-configuration in Terraform.
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