Print header with golang.

main.go

package main

import (
	"net/http"

	log "github.com/Sirupsen/logrus"
	"github.com/gin-gonic/gin"
)

func main() {
	r := gin.Default()
	r.GET("/", func(c *gin.Context) {
		for k, vals := range c.Request.Header {
			log.Infof("%s", k)
			for _, v := range vals {
				log.Infof("\t%s", v)
			}
		}

		c.Status(http.StatusNoContent)
	})

	r.Run()
}