terraform-checks.yml

# This workflow installs the latest version of Terraform CLI and configures the Terraform CLI configuration file
# with an API token for Terraform Cloud (app.terraform.io). On pull request events, this workflow will run
# `terraform init`, `terraform fmt -recursive -check`, and a `terraform validate`.

name: 'Terraform'

on:
  push:
    branches:
      - main
  pull_request:

jobs:
  terraform:
    name: 'Terraform'
    runs-on: ubuntu-latest

    # 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@v2

      # 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 -recursive -check

      # Validate the Terraform files
      - name: Terraform Validate
        run: terraform validate