proton: ServiceSpec
instances:
  - name: template_service
    environment: template-env
    spec:
    on_call_primary_name: Richard
    on_call_primary_phone: 012-345-6789
    on_call_escalation_vp: Martha
    on_call_escalation_phone: 987-654-3210
    app_meta_reference_architecture: 'https://myapp-refs-users-api.com'