main.go

// 🚀 Fiber is an Express inspired web framework written in Go with 💖
// 📌 API Documentation: https://docs.gofiber.io
// 📝 Github Repository: https://github.com/gofiber/fiber

// Install and configure heroku: https://devcenter.heroku.com/articles/getting-started-with-go#set-up
// You need to read the PORT env from heroku and you need to define the Procfile

// Deploy the app: https://devcenter.heroku.com/articles/getting-started-with-go#deploy-the-app

package main

import (
	"log"
	"os"

	"github.com/gofiber/fiber/v2"
)

func main() {
	// Create new Fiber instance
	app := fiber.New()

	// Create new GET route
	app.Get("/", func(ctx *fiber.Ctx) error {
		return ctx.SendString("Hello Heroku")
	})

	// Get the PORT from heroku env
	port := os.Getenv("PORT")

	// Verify if heroku provided the port or not
	if os.Getenv("PORT") == "" {
		port = "3000"
	}

	// Start server on http://${heroku-url}:${port}
	log.Fatal(app.Listen(":" + port))
}