Added start script

Dockerfile

@@ -7,10 +7,6 @@ MAINTAINER “Jonathan Ervine” <docker@ervine.org>
 ENV LANG='en_US.UTF-8' \
     LANGUAGE='en_US.UTF-8' \
     TERM='xterm' \
-    TORRENT_USER='mediaservice' \
-    TORRENT_GROUP='mediaservice' \
-    TORRENT_UID='1003' \
-    TORRENT_GID='1003'
 
 RUN echo http://dl-4.alpinelinux.org/alpine/edge/testing >> /etc/apk/repositories && \
   apk update && \
@@ -23,6 +19,8 @@ RUN echo http://dl-4.alpinelinux.org/alpine/edge/testing >> /etc/apk/repositorie
   rmdir combustion-release && \
   rm release.zip
 
+COPY start.sh /usr/loca/bin/start.sh
+
 #ADD UTC /etc/localtime
 
 RUN rm -rf /var/cache/apk/* && \
@@ -33,6 +31,5 @@ EXPOSE 9091
 
 VOLUME /config
 
-USER $TORRENT_USER
 
-CMD [ "/usr/bin/transmission-daemon", "-f", "-g", "/config/" ]
+CMD [ "/usr/local/bin/start.sh" ]

start.sh

@@ -0,0 +1,7 @@
+#!/bin/sh
+#
+## Script to kick off Transmission
+#
+addgroup -g $GID $USER
+adduser -D -u $UID -G $USER -H $USER
+su - $USER -c "/usr/bin/transmission-daemon -f -g /config/"