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Stack services

A stack service is a service as included in a stack. It always points to a specific service revision.

It combines the underlying service with stack-level configuration such as:

  • enabled or disabled state
  • selected options and defaults
  • settings, environment variables, and Helm values
  • resources and volumes
  • integrations and links to other stack services
  • configs, tokens, annotations, and cron schedules

Links are defined between stack services, so the stack describes how services work together.

When you create an app instance, each stack service becomes an app service for that deployed copy of the app.

See Stack configuration for the stack-level controls available for stack services.