Imports github.com/spf13/viper github.com/gorilla/mux github.com/natefinch/lumberjack github.com/robfig/cron/v3 github.com/hajimehoshi/go-mp3 github.com/sirupsen/logrus github.com/hajimehoshi/oto/v2 Standard library imports bytes context encoding/json flag fmt io net net/http os os/signal path runtime strconv strings syscall time