https://stackoverflow.com/questions/54078705/knative-pod-http-request

serve.yaml

apiVersion: serving.knative.dev/v1alpha1
kind: Service
metadata:
  name: test
  namespace: default
spec:
  runLatest:
    configuration:
      revisionTemplate:
        metadata:
          annotations:
            # Target 10 in-flight-requests per pod.
            autoscaling.knative.dev/target: "50"
        spec:
          container:
            image: docker.io/test

server

package main

import (
	"fmt"
	"io/ioutil"
	"net/http"
)

func handler(w http.ResponseWriter, r *http.Request) {
	response, err := http.Get("https://httpbin.org/get")
	if err != nil {
		fmt.Println(err)
	}

	body, err := ioutil.ReadAll(response.Body)
	_, err = w.Write(body)
	if err != nil {
		fmt.Println(err)
	}
}

func main() {
	http.HandleFunc("/", handler)
	err := http.ListenAndServe(":8080", nil)
	if err != nil {
		fmt.Println(err)
	}
}