feat(infra): Allow for separate IAC environments with separate state files

- Separate out common infra from service-specific infra
- Create modules for reusing resource definitions

Author: mjumbewu

.gitignore

@@ -26,7 +26,7 @@ htmlcov/
 *.py[co]
 
 # environment
-env*/
+env/
 .env*
 .auto.tfvars
 

infra/gcp/.terraform.lock.hcl

@@ -0,0 +1,46 @@
+terraform {
+  required_providers {
+    google = {
+      source  = "hashicorp/google"
+      version = ">= 4.0"
+    }
+  }
+
+  backend "gcs" {
+    bucket = "${var.project_id}-tfstate"
+    prefix = "api/common"
+  }
+}
+
+provider "google" {
+  project = var.project_id
+  region  = var.region
+}
+
+module "common" {
+  source = "../../modules/common"
+
+  project_id   = var.project_id
+  region       = var.region
+  service_name = var.service_name
+}
+
+output "vpc_connector_id" {
+  value = module.common.vpc_connector_id
+}
+
+output "db_instance_name" {
+  value = module.common.db_instance_name
+}
+
+output "db_private_ip" {
+  value = module.common.db_private_ip
+}
+
+output "redis_host" {
+  value = module.common.redis_host
+}
+
+output "redis_port" {
+  value = module.common.redis_port
+}

infra/gcp/cloudrun.tf

@@ -0,0 +1,16 @@
+variable "project_id" {
+  description = "GCP Project ID"
+  type        = string
+}
+
+variable "region" {
+  description = "GCP Region (e.g. us-central1)"
+  type        = string
+  default     = "us-central1"
+}
+
+variable "service_name" {
+  description = "Name of the service (used for naming resources)"
+  type        = string
+  default     = "shareabouts-api"
+}

infra/gcp/db.tf

@@ -0,0 +1,55 @@
+terraform {
+  required_providers {
+    google = {
+      source  = "hashicorp/google"
+      version = ">= 4.0"
+    }
+  }
+
+  backend "gcs" {
+    bucket = "${var.project_id}-tfstate"
+    prefix = "api/dev"
+  }
+}
+
+provider "google" {
+  project = var.project_id
+  region  = var.region
+}
+
+# ------------------------------------------------------------------------------
+# REMOTE STATE (COMMON)
+# ------------------------------------------------------------------------------
+
+data "terraform_remote_state" "common" {
+  backend = "gcs"
+
+  config = {
+    bucket = "${var.project_id}-tfstate"
+    prefix = "api/common"
+  }
+}
+
+# ------------------------------------------------------------------------------
+# SERVICE MODULE
+# ------------------------------------------------------------------------------
+
+module "service" {
+  source = "../../modules/shareabouts-service"
+
+  project_id   = var.project_id
+  region       = var.region
+  service_name = var.service_name
+  environment  = "dev"
+
+  # Inputs from Common
+  vpc_connector_id = data.terraform_remote_state.common.outputs.vpc_connector_id
+  db_instance_name = data.terraform_remote_state.common.outputs.db_instance_name
+  db_private_ip    = data.terraform_remote_state.common.outputs.db_private_ip
+  redis_host       = data.terraform_remote_state.common.outputs.redis_host
+  redis_port       = data.terraform_remote_state.common.outputs.redis_port
+
+  # Config
+  domain_names             = var.domain_names
+  additional_allowed_hosts = var.additional_allowed_hosts
+}