main.go

package main

import (
	"context"
	"fmt"
	"os"
	"os/signal"
	"time"

	"github.com/joho/godotenv"
	"github.com/labstack/echo"
	"github.com/labstack/echo/middleware"
	"github.com/labstack/gommon/log"
)

func main() {
	err := godotenv.Load()
	if err != nil {
		log.Fatal("Error loading .env file")
	}

	host := os.Getenv("HOST")

	if host == "" {
		host = "0.0.0.0"
	}

	port := os.Getenv("PORT")

	if port == "" {
		port = "8080"
	}

	addr := fmt.Sprintf("%s:%s", host, port)

	e := echo.New()
	e.POST("/", ESLogger)
	e.Use(
		middleware.Recover(),
		middleware.Logger(),
		middleware.RequestID(),
	)

	// Start server
	go func() {
		if err := e.Start(addr); err != nil {
			e.Logger.Info("shutting down the server")
		}
	}()

	// Wait for interrupt signal to gracefully shutdown the server with
	// a timeout of 10 seconds.
	quit := make(chan os.Signal)
	signal.Notify(quit, os.Interrupt)
	<-quit
	ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
	defer cancel()
	if err := e.Shutdown(ctx); err != nil {
		e.Logger.Fatal(err)
	}
}