lookup

lookup(inputMap map, key string, default any) any

variable "env" {
  description = "Target deployment environment"
  type        = string
  default     = "development"
}

computed "db_url" {
  description = "Database URL for the target environment"
  expression  = lookup({
    staging    = "postgres://db.staging.internal/app"
    production = "postgres://db.prod.internal/app"
  }, var.env, "postgres://localhost/app_dev")
}

task "migrate" {
  description = "Run database migrations"
  commands    = ["./bin/migrate --db ${computed.db_url}"]
}