Added ffmpeg, added inf loop so jd2 can be updated from within the webapp, added beta 7zipbinding

Dockerfile

@@ -6,10 +6,13 @@ MAINTAINER PlusMinus <piddlpiddl@gmail.com>
 # Create directory, and start JD2 for the initial update and creation of config files.
 RUN \
     apk add --no-cache --quiet tini su-exec bash && \
-	mkdir -p /opt/JDownloader/ && \
+	mkdir -p /opt/JDownloader/libs && \
 	wget -O /opt/JDownloader/JDownloader.jar --user-agent="https://hub.docker.com/r/plusminus/jdownloader2-headless/" http://installer.jdownloader.org/JDownloader.jar && \
-	java -Djava.awt.headless=true -jar /opt/JDownloader/JDownloader.jar
+	java -Djava.awt.headless=true -jar /opt/JDownloader/JDownloader.jar && \
+	apk add --update ffmpeg
 
+# Beta sevenzipbindings
+COPY sevenzip* /opt/JDownloader/
 
 COPY startJD2.sh /opt/JDownloader/
 RUN chmod +x /opt/JDownloader/startJD2.sh

startJD2.sh

@@ -19,5 +19,10 @@ fi
 adduser -G $GROUP $USER
 chown -R $USER:$GROUP /opt/JDownloader
 
-exec su-exec ${USER}:${GROUP} "$@"
+# Sometimes this gets deleted. Just copy it every time.
+cp /opt/JDownloader/sevenzip* /opt/JDownloader/libs/
 
+su-exec ${USER}:${GROUP} "$@"
+
+# Keep container alive when jd2 restarts
+while sleep 3600; do :; done