Update lockfile, lifecycle retain count, and limit snapshot to unique #28

	name: Terraform CI

	on: pull_request

	jobs:
	format:
	name: Format
	runs-on: ubuntu-latest
	strategy:
	matrix:
	terraform_version:
	- "~1.4.4"
	steps:
	- uses: actions/checkout@v2
	- uses: hashicorp/setup-terraform@v1
	with:
	terraform_version: ${{ matrix.terraform_version }}

	- name: Terraform fmt
	id: fmt
	run: terraform fmt -recursive -check
	working-directory: ./

	validate:
	name: Validate
	runs-on: ubuntu-latest
	strategy:
	matrix:
	terraform_version:
	- "~1.4.4"
	workspaces:
	- aws
	- github
	- tfc
	steps:
	- uses: actions/checkout@v2

	- uses: hashicorp/setup-terraform@v1
	with:
	terraform_version: ${{ matrix.terraform_version }}
	cli_config_credentials_hostname: app.terraform.io
	cli_config_credentials_token: ${{ secrets.TFC_API_TOKEN }}

	- name: Terraform init
	id: init
	run: terraform init
	working-directory: ./${{ matrix.workspaces }}
	env:
	GIT_SSH_COMMAND: "echo '${{ secrets.GH_SSH_PRIVATE_KEY }}' > id_rsa
	&& ssh-keyscan github.com > known_hosts
	&& chmod 600 id_rsa known_hosts
	&& ssh -i ./id_rsa -o UserKnownHostsFile=./known_hosts"

	- name: Terraform Validate
	id: validate
	run: terraform validate -no-color
	working-directory: ./${{ matrix.workspaces }}

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