Istio + Knative + Liveness failing

[wiwwo]

Hi! Could you help me understanding what is the correct livenessProbe, when using istio + Knative?

Assuming that:

• i annotated the service with sidecar.istio.io/rewriteAppHTTPProbers: "false"
• i am exposing the pod port 8000 in my Dockerfile
• i am using this

    livenessProbe:
      httpGet:
        path: /health/liveness
        port: 8080
  

  config since the exposed port is 8080, as expressed as well in desc pod:

  Containers:
    user-container:
  <...>
        Port:           8080/TCP
  

  and relative

   Liveness:       http-get http://:8080/health/liveness delay=5s timeout=1s period=5s #success=1 #failure=3
  

• And my POD answers to that path, as in

  @myApp.route('/health/liveness', methods=['GET'])
  def meh():
   return "Healthy: OK"
  

• And that I receive a

     Warning  Unhealthy  1s (x6 over 31s)   kubelet            Liveness probe failed: HTTP probe failed with statuscode: 503
  

What am I doing wrong? Thanks for help!!

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