Terraform provider GoCD
Terraform provider GoCD lets you build pipelines using Terraform, a mature and widely used tool in the infrastructure as code space. With this provider, you can write pipelines in the HashiCorp Configuration Language (HCL) that use all of the functionality Terraform provides, including workspaces, modules and remote state. This approach is an excellent alternative to Gomatic, which we highlighted in the Pipelines as code blip before. The Golang SDK used in this provider has automatic regression tests for the GoCD API which should minimize issues while upgrading.