main.go

package main // Look README.md

import (
	"fmt"
	"log"
	"os"

	"myapp/api"
	"myapp/sql"

	"github.com/kataras/iris/v12"
)

func main() {
	dsn := fmt.Sprintf("%s:%s@tcp(%s:3306)/%s?parseTime=true&charset=utf8mb4&collation=utf8mb4_unicode_ci",
		getenv("MYSQL_USER", "user_myapp"),
		getenv("MYSQL_PASSWORD", "dbpassword"),
		getenv("MYSQL_HOST", "localhost"),
		getenv("MYSQL_DATABASE", "myapp"),
	)

	db, err := sql.ConnectMySQL(dsn)
	if err != nil {
		log.Fatalf("error connecting to the MySQL database: %v", err)
	}

	secret := getenv("JWT_SECRET", "EbnJO3bwmX")

	app := iris.New()
	subRouter := api.Router(db, secret)
	app.PartyFunc("/", subRouter)

	addr := fmt.Sprintf(":%s", getenv("PORT", "8080"))
	app.Listen(addr)
}

func getenv(key string, def string) string {
	v := os.Getenv(key)
	if v == "" {
		return def
	}

	return v
}