• Website: https://www.terraform.io
• 
• Mailing list: Google Groups

• Terraform 0.12.x (it has also been tested with version 0.11+)
• Go 1.11+ (to build the provider plugin)

Download the latest release for your OS from the release page and follow the instructions to install third party plugins.

To build the project you can use make. This will place a binary in your $GOBIN directory. Copy the binary to the Terraform plugin directory.

After placing it into your plugins directory, run terraform init to initialize it.

provider "circleci" {
  api_token    = "${file("circleci_token")}"
  vcs_type     = "github"
  organization = "my_org"
}

resource "circleci_environment_variable" "from_terraform" {
  project = "mySuperProject"
  name    = "from_terraform"
  value   = "the secret"
}