gin+fcgiはこんな感じでいいの？

main.go

package main

import (
	"github.com/gin-gonic/gin"
	"net"
	"net/http/fcgi"
)

func main() {
	r := gin.Default()
	r.GET("/", func(c *gin.Context) {
		c.String(200, "hello, world.")
	})

	l, _ := net.Listen("tcp", ":9000")
	fcgi.Serve(l, r)
}