service.jinja

#Code based on: Google Cloud Documentation (2021) Creating an HTTP load-balanced logbook app. Available at: https://cloud.google.com/deployment-manager/docs/create-advanced-http-load-balanced-deployment. Last accessed 13 April 2021.
resources:

#health check which checks the health of http instances
- name: {{ env["name"] }}-hc
  type: compute.v1.httpHealthCheck
  properties:
    port: {{ properties["port"] }}
    requestPath: /_ah/health

#backendservice which load balances http requests to the healthiest instance group based on health check.
- name: {{ env["name"] }}-bes
  type: compute.v1.backendService
  properties:
    port: {{ properties["port"] }}
    backends: {{ properties["backends"] }}
    healthChecks: [ $(ref.{{ env["name"] }}-hc.selfLink) ]