Terraform commands

Terraform commands used on daily basis:

1. terraform init:

   • Initializes a working directory containing Terraform configuration files.

2. terraform plan:

   • Generates an execution plan, outlining actions Terraform will take.

3. terraform apply:

   • Applies the changes described in the Terraform configuration.

4. terraform destroy:

   • Destroys all resources described in the Terraform configuration.

5. terraform validate:

   • Checks the syntax and validity of Terraform configuration files.

6. terraform refresh:

   • Updates the state file against real resources in the provider.

7. terraform output:

   • Displays the output values from the Terraform state.

8. terraform state list:

   • Lists resources within the Terraform state.

9. terraform show:

   • Displays a human -readable output of the current state or a specific resource's state.

10. terraform import:

    • Imports existing infrastructure into Terraform state.

11. terraform fmt:

    • Rewrites Terraform configuration files to a canonical format.

12. terraform graph:

    • Generates a visual representation of the Terraform dependency graph.

13. terraform providers:

    • Prints a tree of the providers used in the configuration.

14. terraform workspace list:

    • Lists available workspaces.

15. terraform workspace select:

    • Switches to another existing workspace.

16. terraform workspace new:

    • Creates a new workspace.

17. terraform workspace delete:

    • Deletes an existing workspace.

18. terraform output:

    • Retrieves output values from a module.

19. terraform state mv:

    • Moves an item in the state.

20. terraform state pull:

    • Pulls the state from a remote backend.

21. terraform state push:

    • Pushes the state to a remote backend.

22. terraform state rm:

    • Removes items from the state.

23. terraform taint:

    • Manually marks a resource for recreation.

24. terraform untaint:

    • Removes the 'tainted' state from a resource.

25. terraform login:

    • Saves credentials for Terraform Cloud.

26. terraform logout:

    • Removes credentials for Terraform Cloud.

27. terraform force -unlock:

    • Releases a locked state.

28. terraform import:

    • Imports existing infrastructure into your Terraform state.

29. terraform plan -out:

    • Saves the generated plan to a file.

30. terraform apply -auto -approve:

    • Automatically applies changes without requiring approval.

31. terraform apply -target=resource:

    • Applies changes only to a specific resource.

32. terraform destroy -target=resource:

    • Destroys a specific resource.

33. terraform apply -var="key=value":

    • Sets a variable's value directly in the command line.

34. terraform apply -var -file=filename.tfvars:

    • Specifies a file containing variable definitions.

35. terraform apply -var -file=filename.auto.tfvars:

    • Automatically loads variables from a file