fix: add new variable external_database_host_readonly #974

	name: Terraform CI

	on: [push, pull_request]

	jobs:
	test:
	name: Terraform Checks
	runs-on: ubuntu-22.04
	steps:
	- name: Check out code
	uses: actions/checkout@v2

	- name: Setup
	uses: hashicorp/setup-terraform@v1.3.2
	with:
	terraform_version: 0.12.31

	- name: Init
	run: terraform init -backend=false

	- name: Validate
	run: terraform validate
	env:
	AWS_DEFAULT_REGION: us-west-1

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