Terraform Workspace provides you an option to create dedicated runtime stacks for each of your environments. For instance, the requirement is to create a Resource group based on project code for UAT and Prod environments. One of the ways to achieve this is using terraform workspace with a single code.

Infrastructure as code, popularly known as IaC, adopted by industry through DevOps, the key reason being source code would always generate the same result. Infrastructure as code evolved to solve the problem of environment drift in the release pipelines. Inconsistency among environments leads to issues during deployments. Without IaC, administration and infrastructure maintenance involves manual processes that are hard to track and contributed to errors.