6bed3008a5
It's been a long time since we gave this page an overhaul, and with our ongoing efforts to make plan and apply incorporate all of the side-effects that might need to be done against a configuration it seems like a good time for some restructuring in that vein. The starting idea here is to formally split the many "terraform plan" options into a few different categories: - Planning modes - Planning options - Other options The planning modes and options are the subset that are also accepted by "terraform apply" when it's running in its default mode of generating a plan and then prompting for interactive approval of it. This then allows us to avoid duplicating all of that information on the "terraform apply" page, and thus allows us to spend more words discussing each of them. This set of docs is intended as a fresh start into which we'll be able to more surgically add in the information about -refresh-only and -replace=... once we have those implemented. Consequently there are some parts of this which may seem a little overwraught for what it's currently describing; that's a result of my having prepared this by just deleting the -refresh-only and -replace=... content from our initial docs draft and submitted the result, in anticipation of re-adding the parts I've deleted here in the very near future in other commits. |
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README.md
Terraform
- 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
Terraform is a tool for building, changing, and versioning infrastructure safely and efficiently. Terraform can manage existing and popular service providers as well as custom in-house solutions.
The key features of Terraform are:
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Infrastructure as Code: Infrastructure is described using a high-level configuration syntax. This allows a blueprint of your datacenter to be versioned and treated as you would any other code. Additionally, infrastructure can be shared and re-used.
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Execution Plans: Terraform has a "planning" step where it generates an execution plan. The execution plan shows what Terraform will do when you call apply. This lets you avoid any surprises when Terraform manipulates infrastructure.
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Resource Graph: Terraform builds a graph of all your resources, and parallelizes the creation and modification of any non-dependent resources. Because of this, Terraform builds infrastructure as efficiently as possible, and operators get insight into dependencies in their infrastructure.
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Change Automation: Complex changesets can be applied to your infrastructure with minimal human interaction. With the previously mentioned execution plan and resource graph, you know exactly what Terraform will change and in what order, avoiding many possible human errors.
For more information, see the introduction section of the Terraform website.
Getting Started & Documentation
Documentation is available on the Terraform website:
If you're new to Terraform and want to get started creating infrastructure, please check out our Getting Started guides on HashiCorp's learning platform. There are also additional guides to continue your learning.
Show off your Terraform knowledge by passing a certification exam. Visit the certification page for information about exams and find study materials on HashiCorp's learning platform.
Developing Terraform
This repository contains only Terraform core, which includes the command line interface and the main graph engine. Providers are implemented as plugins, and Terraform can automatically download providers that are published on the Terraform Registry. HashiCorp develops some providers, and others are developed by other organizations. For more information, see Extending Terraform.
To learn more about compiling Terraform and contributing suggested changes, please refer to the contributing guide.
To learn more about how we handle bug reports, please read the bug triage guide.