variable "project_id" {
  description = "Existing Google Cloud project ID."
  type        = string
  validation { condition = length(var.project_id) > 0 error_message = "project_id must not be empty." }
}

variable "region" {
  description = "Regional placement for runtime and data."
  type        = string
  default     = "us-central1"
}

variable "environment" {
  description = "Environment name used in resource names."
  type        = string
  default     = "dev"
}

variable "container_image" {
  description = "Externally built image used by Cloud Run."
  type        = string
  default     = "us-docker.pkg.dev/cloudrun/container/hello"
}

variable "invoker_service_account" {
  description = "Producer identity allowed to invoke ingress."
  type        = string
}

variable "retention_days" { type = number default = 30 }
variable "retention_seconds" { type = number default = 2592000 }
variable "max_instances" { type = number default = 20 }