Define a Terraform Stack with component and deployment configuration files

Steps

1. Create a directory for your Stack and add .tfcomponent.hcl files (formerly .tfstack.hcl, renamed at GA) that declare component blocks referencing Terraform modules, input variables, and provider configurations.
2. Add a .tfdeploy.hcl file that declares one deployment block per environment (e.g., development, production), each specifying the input variable values for that deployment instance.
3. Reference provider credentials differently per deployment by using variable inputs in the component file and passing environment-specific values in each deployment block.
4. Connect the Stack to HCP Terraform by creating a Stack resource in your organization pointing to the VCS repository; HCP Terraform supports up to 20 deployments per Stack.
5. Trigger a Stack plan via the HCP Terraform UI or API; review the plan for each deployment and approve to apply changes across all configured deployments.
6. Use the orchestrate block in the deployment file to control the order of deployment across environments if you need to deploy development before staging before production.