package main import ( "io" "log/slog" "os" "gopkg.in/natefinch/lumberjack.v2" ) func main() { logBaseDir, err := os.UserHomeDir() if err != nil { panic("Can't determine home directory") } logFilePath := logBaseDir + "/.local/share/mars_terraform_registry/logs" if err := os.MkdirAll(logFilePath, 0755); err != nil { panic("Can't create log directory") } // Create Lumberjack rolling logger (replaces *os.File) logFile := &lumberjack.Logger{ Filename: logFilePath, MaxSize: 10, // MB: size at which to rotate MaxAge: 30, // Days: how long to keep old logs MaxBackups: 5, // Number of old logs to keep Compress: true, // .gz compression for old logs LocalTime: true, // Local time instead of UTC in filenames } defer logFile.Close() multiWriter := io.MultiWriter(os.Stdout, logFile) logOptions := slog.HandlerOptions{ Level: slog.LevelDebug, } slog.SetDefault(slog.New(slog.NewJSONHandler(multiWriter, &logOptions))) slog.Info("Logging test") }