Using a .terraformignore file
By default, a Terraform Cloud remote run will copy the entire source repository to the TFC runner before it runs the plan. If there are lots of files in the repository that aren’t needed by Terraform, this can take a long time. Using the .terraformignore file can significantly reduce the time for TFC to prepare a remote plan. A common pattern is to have a terraform/ subdirectory in a repository to deploy the infrastructure that supports the application/service/code in the repository itself. For the purposes of TFC, only that subdirectory is needed by the runner. ...