Terraform Concepts
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Overview
Terraform is a tool for building, changing and managing infrastructure, as code. It uses a configuration language named Hashicorp Configuration Language (HCL). Terraform is platform agnostic, and achieves that by using different provider APIs for resource provisioning, via plug-ins. A heterogenous environment can be managed with the same workflow.
Hashicorp Configuration Language (HCL)
HCL is human-readable. Configuration can also be JSON, but JSON is only recommended when the configuration is generated by a machine. Internally, the declarative language that drives provider API for resource provisioning.