AI Application Dependency on AI Pod Service Status Monitoring

Starting with LCMD 1.3.8, use upstreams to access the health check endpoint on the AI Pod, as shown below:

name: ComfyUI
package: cloud.lazycat.aipod.comfyui
version: 0.2.0
description: ComfyUI is a web UI for AI Art.
license: https://choosealicense.com/licenses/mit/
homepage:
author:
application:
  subdomain: comfyui
  gpu_accel: true
  routes:
    - /=file:///lzcapp/pkg/content/dist
  health_check:
    test_url: http://127.0.0.1/version
    start_period: 5m

  upstreams:
    - location: /version
      backend: https://comfyui-ai.{{ .S.BoxDomain }}/api/manager/version
      trim_url_suffix: /
      use_backend_host: true
      dump_http_headers_when_5xx: true