What is Infrastructure as Code with Terraform?

  • Terraform can manage infrastructure on multiple cloud platforms.
  • The human-readable configuration language helps you write infrastructure code quickly.
  • Terraform’s state allows you to track resource changes throughout your deployments.
  • You can commit your configurations to version control to safely collaborate on infrastructure.

Manage any infrastructure

Terraform plugins called providers let Terraform interact with cloud platforms and other services via their application programming interfaces (APIs). HashiCorp and the Terraform community have written over 1,000 providers to manage resources on Amazon Web Services (AWS), Azure, Google Cloud Platform (GCP), Kubernetes, Helm, GitHub, Splunk, and DataDog, just to name a few. Find providers for many of the platforms and services you already use in the Terraform Registry. If you don’t find the provider you’re looking for, you can write your own.

»Standardize your deployment workflow

Providers define individual units of infrastructure, for example compute instances or private networks, as resources. You can compose resources from different providers into reusable Terraform configurations called modules, and manage them with a consistent language and workflow.

  • Scope — Identify the infrastructure for your project.
  • Author — Write the configuration for your infrastructure.
  • Initialize — Install the plugins Terraform needs to manage the infrastructure.
  • Plan — Preview the changes Terraform will make to match your configuration.
  • Apply — Make the planned changes.

Track your infrastructure

Terraform keeps track of your real infrastructure in a state file, which acts as a source of truth for your environment. Terraform uses the state file to determine the changes to make to your infrastructure so that it will match your configuration.

»Collaborate

Terraform allows you to collaborate on your infrastructure with its remote state backends. When you use Terraform Cloud (free for up to five users), you can securely share your state with your teammates, provide a stable environment for Terraform to run in, and prevent race conditions when multiple people make configuration changes at once.

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