Save podcasts and playlists in dedicated directories

Dockerfile

@@ -11,8 +11,8 @@ LABEL description="Subsonic media streamer"
 RUN     apt-get update &&\
         apt-get -y install libav-tools lame &&\
         adduser --system --home /opt/subsonic subsonic &&\
-        mkdir -p /opt/data/transcode /opt/music/ &&\
-        chown -R subsonic /opt/data &&\
+        mkdir -p /opt/data/transcode /opt/music/ /opt/playlist/ /opt/podcast/ &&\
+        chown -R subsonic /opt/data /opt/playlist/ /opt/podcast/ &&\
         ln -s /usr/bin/lame /opt/data/transcode/lame &&\
         ln -s /usr/bin/avconv /opt/data/transcode/ffmpeg &&\
         wget "http://downloads.sourceforge.net/project/subsonic/subsonic/$SUBSONIC_VERSION/subsonic-$SUBSONIC_VERSION-standalone.tar.gz?r=http%3A%2F%2Fwww.subsonic.org%2Fpages%2Fdownload2.jsp%3Ftarget%3Dsubsonic-$SUBSONIC_VERSION-standalone.tar.gz&ts=1431096340&use_mirror=garr" \
@@ -20,6 +20,8 @@ RUN     apt-get update &&\
 
 VOLUME /opt/data
 VOLUME /opt/music/
+VOLUME /opt/playlist/
+VOLUME /opt/podcast/
 
 EXPOSE $PORT
 WORKDIR /opt/subsonic
@@ -30,8 +32,8 @@ CMD java -Xmx100m \
             -Dsubsonic.port=$PORT \
             -Dsubsonic.contextPath=$CONTEXT_PATH \
             -Dsubsonic.defaultMusicFolder=/opt/music/ \
-            -Dsubsonic.defaultPodcastFolder=/opt/music/ \
-            -Dsubsonic.defaultPlaylistFolder=/opt/music/ \
+            -Dsubsonic.defaultPodcastFolder=/opt/podcast/ \
+            -Dsubsonic.defaultPlaylistFolder=/opt/playlist/ \
             -Djava.awt.headless=true \
             -verbose:gc \
             -jar /opt/subsonic/subsonic-booter-jar-with-dependencies.jar