Terraform Cheat Cheet

Initializing Terraform

• Initialize a Terraform working directory:

    terraform init
  

  This command initializes a working directory containing Terraform configuration files.

Building Infrastructure

• Create or update infrastructure:

    terraform apply
  

  This command creates or updates the infrastructure according to the configuration files.

Inspecting State

• Show the current state:

    terraform show
  

  Displays the current state of the infrastructure.

• Output the current state in a more human-readable format:

    terraform output
  

  Shows the values of outputs from the current state.

Planning Changes

• Preview changes before applying:

    terraform plan
  

  This command shows the changes that will be made to the infrastructure.

Destroying Infrastructure

• Destroy the infrastructure:

    terraform destroy
  

  Destroys the Terraform-managed infrastructure.

Managing Workspaces

• List available workspaces:

    terraform workspace list
  

  Lists all available workspaces.

• Create a new workspace:

    terraform workspace new <workspace_name>
  

  Creates a new workspace.

• Switch to a different workspace:

    terraform workspace select <workspace_name>
  

  Switches to the specified workspace.

Miscellaneous

• Validate the configuration files:

    terraform validate
  

  Checks the syntax and configuration of Terraform files.

• Output the execution plan as JSON:

    terraform show -json
  

  Displays the execution plan in JSON format.

  Force unlock the state:

    terraform force-unlock <lock_id>
  

  Manually unlock the Terraform state.