1-main.go

package main

import (
	"fmt"
	"io"
	"log"
	"net/http"
	"os"

	"github.com/gin-gonic/gin"
)

var router *gin.Engine

/* main: add logging, setup router, start http/https server */
func main() {
	var serverErr error

	r := setupRouter()
	addr := fmt.Sprintf(":%d", 9000)

	server := &http.Server{
		Addr:    addr,
		Handler: r,
	}
	
	serverErr = server.ListenAndServe()
	
	if serverErr != nil {
		log.Fatal("server start error: ", serverErr)
	}

}

func setupRouter() *gin.Engine {

	router = gin.New()
	router.RedirectTrailingSlash = false
	router.Use(gin.Recovery())

	return router
}