Add GitHub Actions workflow #1

	name: Terraform Staging Workflow
	on:
	push:
	branches:
	- "*"

	concurrency:
	group: merge-${{ github.ref }}

	jobs:
	terraform:
	runs-on: ubuntu-latest
	environment: Staging
	steps:
	- name: Checkout code
	uses: actions/checkout@v4

	- name: Set up Terraform
	uses: hashicorp/setup-terraform@v1
	with:
	terraform_version: 1.8.4
	terraform_wrapper: false

	- name: Terraform Init
	run: terraform init

	- name: Terraform Plan
	run: terraform plan

	- name: Terraform Apply
	run: terraform apply -auto-approve
	env:
	TF_VAR_region: "asia-southeast1"
	TF_VAR_environment: "staging"

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