name: infrastructure_cost
display_name: Infrastructure Cost
category: operations
type: sum
unit: USD
grain: monthly
table: infra_costs
expression: "SUM(cost_usd)"
time_column: usage_date
description: "Infrastructure Cost — total cloud infrastructure spend per month, broken down by provider, service, and environment."
dimensions:
  - provider
  - service
  - environment
synonyms:
  - cloud_cost
  - infra_spend
  - cloud_spend
notes:
  - "Includes compute, storage, networking, and managed services"
  - "Production and staging costs should be tracked separately via environment dimension"
  - "Compare month-over-month to detect unexpected cost spikes"
  - "Calculate cost per MAU to normalize against growth"
sql: |
  SELECT
      DATE_TRUNC('month', usage_date) AS month,
      SUM(cost_usd) AS infrastructure_cost
  FROM infra_costs
  GROUP BY 1
  ORDER BY 1
sql_by_provider: |
  SELECT
      DATE_TRUNC('month', usage_date) AS month,
      provider,
      service,
      environment,
      SUM(cost_usd) AS cost
  FROM infra_costs
  GROUP BY 1, 2, 3, 4
  ORDER BY 1, cost DESC