What is terraform in HashiCorp?
Terraform allows infrastructure to be expressed as code in a simple, human readable language called HCL (HashiCorp Configuration Language). It reads configuration files and provides an execution plan of changes, which can be reviewed for safety and then applied and provisioned.
What is terraform used for?
Terraform is an open-source infrastructure as code software tool that provides a consistent CLI workflow to manage hundreds of cloud services. Terraform codifies cloud APIs into declarative configuration files. Write infrastructure as code using declarative configuration files.
What is the difference between terraform init and terraform plan?
Terraform init initializes the working directory which consists of all the configuration files Terraform plan is used to create an execution plan to reach a desired state of the infrastructure. Changes in the configuration files are done in order to achieve the desired state.
Where can I find sample code for terraform?
You can find sample code for the examples below at: https://github.com/gruntwork-io/intro-to-terraform. Note that all the code samples are written for Terraform 0.12.x. Terraform can provision infrastructure across many different types of cloud providers, including AWS, Azure, Google Cloud, DigitalOcean, and many others.
What is run terraform plan?
Run terraform plan to check whether the execution plan for a configuration matches your expectations before provisioning or changing infrastructure. Apply changes to hundreds of cloud providers with terraform apply to reach the desired state of the configuration.
How is infrastructure defined in TerraForm?
Multiple resources form infrastructure with their mutual connections. Terraform uses a specialized programming language for defining infrastructure, called Hashicorp Configuration Language (HCL). HCL code is typically stored in files ending with the extension tf.