terraform.yml

name: 'Terraform'

on:
  push:
    branches:
    - master
  pull_request:
  workflow_dispatch:
  
jobs:
  terraform:
    name: 'Terraform'
    runs-on: ubuntu-latest
    environment: production

    # Use the Bash shell regardless whether the GitHub Actions runner is ubuntu-latest, macos-latest, or windows-latest
    defaults:
      run:
        shell: bash

    steps:
    # Checkout the repository to the GitHub Actions runner
    - name: Checkout
      uses: actions/checkout@v3
      
    - name: Google Auth
      uses: 'google-github-actions/auth@v0'
      with:
        credentials_json: '${{ secrets.GCP_CREDENTIALS }}'

    - name: 'Set up Cloud SDK'
      uses: 'google-github-actions/setup-gcloud@v0'

    - name: 'Use gcloud CLI'
      run: 'gcloud info'
    
    # Install the latest version of Terraform CLI and configure the Terraform CLI configuration file with a Terraform Cloud user API token
    - name: Setup Terraform
      uses: hashicorp/setup-terraform@v1

    # Initialize a new or existing Terraform working directory by creating initial files, loading any remote state, downloading modules, etc.
    - name: Terraform Init
      run: terraform init
      
    # Checks that all Terraform configuration files adhere to a canonical format
    - name: Terraform Format
      run: |
        terraform fmt main.tf
        terraform fmt -check main.tf    
    
    # Generates an execution plan for Terraform      
    - name: Terraform Plan
      run: terraform plan

    # Generates an execution Apply for Terraform      
    - name: Terraform Apply
      run: terraform apply --auto-approve