Add Terraform configuration files for Cloud Run service deployment

terraform/variables.tf

@@ -0,0 +1,21 @@
+variable "project_id" {
+  description = "Google project id"
+  type        = string
+}
+
+variable "default_region" {
+  description = "Default Google Cloud region"
+  type        = string
+  default     = "europe-west1" # Belgium
+}
+
+variable "image_version" {
+  description = "Version of the Docker image"
+  type        = string
+}
+
+variable "deletion_protection" {
+  type        = bool
+  description = "Protect resources from deletion using terraform destroy and apply."
+  default     = true
+}