gistfile1.txt

parameters:
  - name: tfVarFileName
    type: string
    default: '' # foo.tfvars, for example
  
stages:
- stage:
  displayName: 'Terraform Apply'
  jobs:
  - deployment: Deploy
    displayName: 'Terraform Apply'
    pool:
      vmImage: 'ubuntu-latest'
    environment: 'terraform'
    strategy:
      runOnce:
        deploy:
          steps:
          - checkout: none
          - task: Cache@2
            displayName: 'Get Cache for TF Artifact'
            inputs:
              key: terraform | $(Agent.OS) | $(Build.SourceVersion) | $(tfComponent)
              path: $(tfExecutionDir)
          - task: TerraformInstaller@0
            displayName: 'Install Terraform'
            inputs:
              terraformVersion: '$(terraformVersion)'
          - task: TerraformTaskV1@0
            displayName: 'Terraform Apply'
            inputs:
              provider: 'azurerm'
              command: 'apply'
              commandOptions: '${BUILD_BUILDNUMBER}.tfplan' # pass plan file to terraform apply
              workingDirectory: '$(tfExecutionDir)'
              environmentServiceNameAzureRM: '$(serviceConnectionName)'