Gecho

Dockerfile

FROM busybox
ADD gecho /
ENTRYPOINT ["/gecho"]

main.go

package main

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

func handler(w http.ResponseWriter, r *http.Request) {
	fmt.Printf("-- Request Start --\n")
	fmt.Printf("%s %s\n", r.Method, r.RequestURI)
	for k := range r.Header {
		fmt.Printf("%s: %s\n", k, r.Header[k])
	}
	if r.ContentLength > 0 {
		body, err := ioutil.ReadAll(r.Body)
		if err != nil {
			fmt.Printf("Error reading body\n")
		} else {
			fmt.Printf("%s\n", body)
		}
	}
	w.Header().Set("Server", "Gecho Server")
	w.WriteHeader(200)
	fmt.Printf("-- Request End --\n\n")
}

func main() {
	http.HandleFunc("/", handler)
	http.ListenAndServe(":8080", nil)
}