What is this?
Terraform is a tool for building, changing, and versioning infrastructure safely and efficiently, letting you describe cloud and on-prem resources in declarative configuration files instead of clicking through consoles.
Terraform is a tool for building, changing, and versioning infrastructure safely and efficiently, letting you describe cloud and on-prem resources in declarative configuration files instead of clicking through consoles.Is this a CLI tool or a hosted service?It's a command line tool plus a graph engine; this repo only contains Terraform core (CLI and graph engine), while actual cloud integrations are separate provider plugins.
It's a command line tool plus a graph engine; this repo only contains Terraform core (CLI and graph engine), while actual cloud integrations are separate provider plugins.How do I get started with it?Follow the Getting Started guides on HashiCorp's Learn platform, which walk you through installing Terraform and writing your first configuration to create infrastructure.
Follow the Getting Started guides on HashiCorp's Learn platform, which walk you through installing Terraform and writing your first configuration to create infrastructure.Do I need cloud provider accounts or plugins to use it?Yes — Terraform core doesn't talk to any cloud by itself; you need provider plugins (downloaded automatically from the Terraform Registry) plus credentials for whichever service (AWS, Azure, etc.) you want to manage.
Yes — Terraform core doesn't talk to any cloud by itself; you need provider plugins (downloaded automatically from the Terraform Registry) plus credentials for whichever service (AWS, Azure, etc.) you want to manage.Does it actually apply changes right away, or can I preview them first?No, Terraform has a planning step that generates an execution plan showing exactly what will happen before you run apply, so you can review changes before they hit real infrastructure.
No, Terraform has a planning step that generates an execution plan showing exactly what will happen before you run apply, so you can review changes before they hit real infrastructure.How does Terraform parallelize infrastructure changes?It builds a resource graph of all your resources and parallelizes the creation and modification of any non-dependent resources, which gives both speed and insight into dependencies.
It builds a resource graph of all your resources and parallelizes the creation and modification of any non-dependent resources, which gives both speed and insight into dependencies.Can I manage custom or in-house systems, not just major clouds?Yes, Terraform can manage existing and popular service providers as well as custom in-house solutions through its plugin provider system.
Yes, Terraform can manage existing and popular service providers as well as custom in-house solutions through its plugin provider system.Is there a certification for learning Terraform?Yes, HashiCorp offers a Terraform Associate certification exam, with study materials available on HashiCorp's learning platform.
Yes, HashiCorp offers a Terraform Associate certification exam, with study materials available on HashiCorp's learning platform.Where do providers like AWS or Azure come from if they are not in this repo?They are separate plugins published on the Terraform Registry, developed either by HashiCorp or by other organizations, and Terraform downloads them automatically as needed.
They are separate plugins published on the Terraform Registry, developed either by HashiCorp or by other organizations, and Terraform downloads them automatically as needed.What are similar projects?opentofu, ansible, salt, packer, encore, crossplane, terraform-provider-aws, terraformer
opentofu, ansible, salt, packer, encore, crossplane, terraform-provider-aws, terraformerWhich topics is it in?cloud-management, configuration-management, declarative, terraform, infrastructure-as-code, graph, deployment, sysadmin, orchestration, golang, cloud, devops
cloud-management, configuration-management, declarative, terraform, infrastructure-as-code, graph, deployment, sysadmin, orchestration, golang, cloud, devops