fcgiwithecho.go

package main

import (
	"flag"
	"net"
	"net/http"
	"net/http/fcgi"
	"os"

	"github.com/labstack/echo/v4"
	"github.com/labstack/echo/v4/middleware"
)

var (
	sockPath = flag.String("sockpath", "/tmp/gofcgitest.sock", "socket path")
)

func main() {
	flag.Parse()

	e := echo.New()
	e.Use(middleware.Logger())
	e.Use(middleware.Recover())

	if _, err := os.Stat(*sockPath); err == nil {
		_ = os.Remove(*sockPath)
		e.Logger.Printf("previous sock file removed: %s", *sockPath)
	}

	e.GET("/", func(c echo.Context) error {
		return c.String(http.StatusOK, "Hello fcgi with echo!")
	})

	ln, err := net.Listen("unix", *sockPath)
	if err != nil {
		e.Logger.Fatalf("can't listen on %s: %v", *sockPath, err)
	}
	defer ln.Close()

	e.Logger.Printf("listening on %s", *sockPath)
	e.Logger.Fatal(fcgi.Serve(ln, e))
}