Basic Cmd – ahmadrazalab

Initialize a Terraform Configuration
```
terraform init
```
- Downloads provider plugins and initializes the working directory.
Validate Terraform Configuration
```
terraform validate
```
- Validates the syntax and configuration of your Terraform files.
Format Terraform Configuration
```
terraform fmt
```
- Formats Terraform configuration files to a canonical format.
Show the Current State
```
terraform show
```
- Displays the current state or a state file.
Generate an Execution Plan
```
terraform plan
```
- Shows what actions Terraform will take based on the current configuration.
Apply the Configuration
```
terraform apply
```
- Applies the changes required to reach the desired state of the configuration.

Destroy Infrastructure

terraform destroy
terraform destroy -target aws_instance.myec2 # destroy a specific resource

Refresh the State
```
terraform refresh
```
- Updates the state file with the latest information from the provider.
Output Information from State
```
terraform output
```
- Displays the values of output variables defined in the configuration.
Get Provider Plugins
```
terraform get
```
- Downloads provider plugins specified in the configuration.

Upgrade Providers
```
terraform providers lock -upgrade
```
- Upgrades provider versions to match constraints in the configuration.
List All Resources
```
terraform state list
```
- Lists all resources in the state file.
Show Detailed Information About a Resource
```
terraform state show <resource_address>
```
- Shows detailed state information for a specific resource.
Remove Resource from State
```
terraform state rm <resource_address>
```
- Removes a resource from the Terraform state without destroying it.
Import Existing Infrastructure
```
terraform import <resource_address> <resource_id>
```
- Imports existing infrastructure into Terraform management.
Create a Plan File
```
terraform plan -out=<plan_file>
```
- Saves the execution plan to a file for review or application later.
Apply a Specific Plan File
```
terraform apply <plan_file>
```
- Applies the changes described in a saved plan file.
View the Resource Graph
```
terraform graph
```
- Outputs a visual representation of dependencies among resources in DOT format.
List Available Providers
```
terraform providers
```
- Lists all providers used in the configuration.

Workspace Management

Create a New Workspace:

terraform workspace new <workspace_name>

Select a Workspace:

terraform workspace select <workspace_name>

Delete a Workspace:

terraform workspace delete <workspace_name>

Configure Backend
```
terraform init -backend-config="path/to/backend-config"
```
- Configures the backend settings for state storage.

Use Aliases for Providers: Manage multiple provider versions by defining aliases in your configuration.
Remote State Management: Consider using remote state storage (e.g., S3 with DynamoDB locking) for collaborative environments.
Version Control: Always use version control for your Terraform configuration files and state files.

These commands should cover the majority of your needs for managing infrastructure with Terraform, from initial setup to advanced state management. 🚀