Null Resources and Triggers

Terraform's null_resource is a special type of resource that doesn't directly create or manage any infrastructure object in your cloud provider.

Instead, it acts as a placeholder for running arbitrary commands or scripts, often used for tasks that fall outside the scope of typical resource provisioning.

You might wonder why you'd need a 'null' resource. It's incredibly useful for:

• Running Local Scripts: Executing commands on the machine where Terraform is run (e.g., preparing configuration files).
• Post-Deployment Actions: Performing setup or cleanup tasks after real resources are provisioned.
• Interacting with External APIs: When a dedicated Terraform provider doesn't exist for a specific service.
• Custom Logic: Orchestrating custom steps that aren't tied to a specific cloud resource.