package main import ( "log" "os" "runtime" ) var ( logger *log.Logger ) func SetupLogging() { logger = log.New(os.Stdout, "", log.Ldate|log.Lmicroseconds) Log("Burlesque v%s started in %s environment", Version, Config.Env) Log("GOMAXPROCS is set to %d", runtime.GOMAXPROCS(-1)) Log("Storage path: %s", Config.Storage) Log("Server is running at http://127.0.0.1:%d", Config.Port) } func Log(format string, args ...interface{}) { logger.Printf("[INFO] "+format, args...) } func Debug(format string, args ...interface{}) { if Config.Env == "development" { logger.Printf("[DEBUG] "+format, args...) } } func Error(err error, format string, args ...interface{}) { logger.Printf("[ERROR] "+format, args...) if Config.Env == "development" { panic(err) } else { logger.Printf(" %s", err.Error()) } }