## Format and Validate | Command | Description | | --- | --- | | `terraform fmt` | Reformat your configuration in the standard style | | `terraform validate` | Check whether the configuration is valid | ## Initialize Working Directory | Command | Description | | --- | --- | | `terraform init` | Prepare your working directory for other commands | ## Plan, Deploy and Cleanup | Command | Description | | --- | --- | | `terraform apply --auto-approve` | Create or update infrastructure without confirmation prompt | | `terraform destroy --auto-approve` | Destroy previously-created infrastructure without confirmation prompt | | `terraform plan -out plan.out` | Output the deployment plan to plan.out | | `terraform apply plan.out` | Use the plan.out to deploy infrastructure | | `terraform plan -destroy` | Outputs a destroy plan | | `terraform apply -target=aws_instance.myinstance` | Only apply/deploy changes to targeted resource | | `terraform apply -var myregion=us-east-1` | Pass a variable via CLI while applying a configuration | | `terraform apply -lock=true` | Lock the state file so it can't be modified | | `terraform apply refresh=false` | Do not reconcile state file with real-world resources | | `terraform apply --parallelism=5` | Number of simultaneous resource operations | | `terraform refresh` | Reconcile the state in Terraform state file with real-world resources | | `terraform providers` | Get informatino about providers used in the current configuration | ## Workspaces | Command | Description | | --- | --- | | `terraform workspace new <workspace>` | Create a new workspace | | `terraform workspace select default` | Change to a workspace | | `terraform workspace list` | List all workspaces | ## State Manipulation | Command | Description | | --- | --- | | `terraform state show aws_instance.myinstance` | Show details stored in the Terraform state file | | `terraform state pull > terraform.tfstate` | Output Terraform state to a file | | `terraform state mv aws_iam_role.my_ssm_role module.mymodule` | Move a resource tracked via state to different module | | `terraform state replace-provider hashicorp/aws registry.custom.com/aws` | Replace an existing provider with another | | `terraform state list` | List all resources tracked in the Terraform state file | | `terraform state rm aws_instance.myinstance` | Unmanage a resource, delete it from the Terraform state file | #### Import and Outputs | Command | Description | | --- | --- | | `terraform import <resource_type>.<resource> <id>` | Import a Resource | | `terraform output` | List all outputs | | `terraform output <output>` | List a specific output | | `terraform output -json` | List all outputs in JSON format | #### Terraform Cloud | Command | Description | | --- | --- | | `terraform login` | Login to Terraform Cloud with an API token | | `terraform logout` | Logout from Terraform Cloud |