Use latest youtube-dl in Dockerfile #119

Dockerfile

@@ -1,7 +1,7 @@
 FROM alpine:3.10
 
 WORKDIR /app/
-RUN wget -O /usr/bin/youtube-dl https://github.com/ytdl-org/youtube-dl/releases/download/2020.01.24/youtube-dl && \
+RUN wget -O /usr/bin/youtube-dl https://github.com/ytdl-org/youtube-dl/releases/latest/download/youtube-dl && \
     chmod +x /usr/bin/youtube-dl && \
     apk --no-cache add ca-certificates python ffmpeg
 COPY podsync /app/podsync

cmd/podsync/main.go

@@ -123,7 +123,7 @@ func main() {
 	updates := make(chan *config.Feed, 16)
 	defer close(updates)
 
-	//Create Cron
+	// Create Cron
 	c := cron.New(cron.WithChain(cron.SkipIfStillRunning(nil)))
 	m := make(map[string]cron.EntryID)
 
@@ -145,21 +145,21 @@ func main() {
 
 	// Run cron scheduler
 	group.Go(func() error {
-		var cronid cron.EntryID
+		var cronID cron.EntryID
 
 		for _, feed := range cfg.Feeds {
 			if feed.CronSchedule == "" {
 				feed.CronSchedule = fmt.Sprintf("@every %s", feed.UpdatePeriod.String())
 			}
 			_feed := feed
-			if cronid, err = c.AddFunc(_feed.CronSchedule, func() {
+			if cronID, err = c.AddFunc(_feed.CronSchedule, func() {
 				log.Debugf("adding %q to update queue", _feed.ID)
 				updates <- _feed
 			}); err != nil {
 				log.WithError(err).Fatalf("can't create cron task for feed: %s", _feed.ID)
 			}
 
-			m[_feed.ID] = cronid
+			m[_feed.ID] = cronID
 			log.Debugf("-> %s (update '%s')", _feed.ID, _feed.CronSchedule)
 			// Perform initial update after CLI restart
 			updates <- _feed