Use tomcat as servlet engine

Dockerfile

@@ -1,39 +1,27 @@
-FROM java:8
+FROM tomcat:8-jre8
 MAINTAINER Cyrille Nofficial<cynoffic@cyrilix.fr>
 
 ENV SUBSONIC_VERSION 5.3
-ENV PORT 8080
-ENV CONTEXT_PATH /
 
 LABEL version="$SUBSONIC_VERSION"
 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/ /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" \
-        -O- --quiet | tar zxv -C /opt/subsonic
+        cd  ${CATALINA_HOME}/webapps/ &&\
+        wget "http://downloads.sourceforge.net/project/subsonic/subsonic/$SUBSONIC_VERSION/subsonic-$SUBSONIC_VERSION-war.zip?r=http%3A%2F%2Fwww.subsonic.org%2Fpages%2Fdownload2.jsp%3Ftarget%3Dsubsonic-$SUBSONIC_VERSION-standalone.tar.gz&ts=1431096340&use_mirror=garr" \
+        -O subsonic.war.zip --quiet  &&\
+        unzip subsonic.war.zip && rm subsonic.war.zip
+
+ENV JAVA_OPTS="-Dsubsonic.home=/opt/data -Dsubsonic.defaultMusicFolder=/opt/music/ -Dsubsonic.defaultPodcastFolder=/opt/podcast/ -Dsubsonic.defaultPlaylistFolder=/opt/playlist/"
 
 VOLUME /opt/data
 VOLUME /opt/music/
 VOLUME /opt/playlist/
 VOLUME /opt/podcast/
 
-EXPOSE $PORT
+EXPOSE 8080
 WORKDIR /opt/subsonic
-
-USER subsonic
-CMD java -Xmx100m \
-            -Dsubsonic.home=/opt/data \
-            -Dsubsonic.port=$PORT \
-            -Dsubsonic.contextPath=$CONTEXT_PATH \
-            -Dsubsonic.defaultMusicFolder=/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

README.md

@@ -4,7 +4,7 @@ Docker (http://docker.io) image for the Subsonic media streamer.
 
 ## Noteworthy
 
-* Subsonic 5.3.beta2 (http://www.subsonic.org)
+* Subsonic 5.3 (http://www.subsonic.org)
 
 ## Build your own image
 
@@ -35,10 +35,4 @@ $ docker run \
 
 ```
 
-## Configuration
-
-Specify env variables:
-
-  * CONTEXT_PATH =  The context path, i.e., the last part of the Subsonic URL. Typically '/' or '/subsonic'. Default '/'
-  * PORT = The port on which Subsonic will listen for incoming HTTP traffic. Default: 8080