Merge pull request #6 from gotofoo/master

Root fix from gotofoo

Dockerfile

@@ -1,7 +1,6 @@
 FROM openjdk:8-jre
 
-MAINTAINER PlusMinus <piddlpiddl@gmail.com>
-
+MAINTAINER GoToFoo <admin@gotofoo.eu>
 
 # Create directory, downloader JD" and start JD2 for the initial update and creation of config files.
 RUN \
@@ -9,10 +8,8 @@ RUN \
 	wget -O /opt/JDownloader/JDownloader.jar --user-agent="https://hub.docker.com/r/plusminus/jdownloader2-headless/" --progress=bar:force http://installer.jdownloader.org/JDownloader.jar && \
 	java -Djava.awt.headless=true -jar /opt/JDownloader/JDownloader.jar
 
-
 COPY startJD2.sh /opt/JDownloader/
 RUN chmod +x /opt/JDownloader/startJD2.sh
 
-
 # Run this when the container is started
 CMD /opt/JDownloader/startJD2.sh

README.md

@@ -1,12 +1,40 @@
-# headless-jd2-docker
+# docker-jdownloader2-headless
 Headless JDownloader 2 Docker Container
 
 ## Running the container
-0. `sudo su`
-1. Create a folder on your host for the configuration files (eg. sudo mkdir /config/jd2)
-2. run `docker run -d --name jd2 -v /config/jd2:/opt/JDownloader/cfg -v /home/user/Downloads:/root/Downloads plusminus/jdownloader2-headless`
-3. stop the container `docker stop jd2`
-4. On your host, enter your credentials (in quotes) to the file `org.jdownloader.api.myjdownloader.MyJDownloaderSettings.json` as in `{ "password" : "mypasswort", "email" : "email@home.org" }`
-5. Start the container
+0.  Become root:
 
+    ```
+    sudo su
+    ```
+1.  Create a folder on your host for the configuration files (eg. sudo mkdir /config/jd2)
+2.  Run the container:
 
+    ```
+    docker run -d --name jd2 \
+        -v /config/jd2:/opt/JDownloader/cfg \
+        -v /home/user/Downloads:/downloads \
+        gotofoo/jdownloader2-headless
+    ```
+3.  Wait a minute for the container to initialize
+4.  Stop the container:
+
+    ```
+    docker stop jd2
+    ```
+5.  On your host, enter your credentials (in quotes) to the file `org.jdownloader.api.myjdownloader.MyJDownloaderSettings.json` as in:
+
+    ```
+    { "password" : "mypasswort", "email" : "email@home.org" }
+    ```
+6.  Start the container:
+
+    ```
+    docker start jd2
+    ```
+    
+## Optional environment variables
+|Environment Variable|Description|
+|--------------------|-----------|
+|UID|Specifies the UID the daemon should run as. All created files will be owned by this UID. Defaults to 0 for root.|
+|GID|Specifies the GID for all created files. This only works in combination with the UID. Defaults to 0 for root.|

startJD2.sh

@@ -7,11 +7,30 @@ function stopJD2 {
 	exit
 }
 
+if [ "$GID" ]
+then
+	GROUP=jdownloader
+	groupadd -g $GID $GROUP
+else
+	GROUP=root
+fi
+
+if [ "$UID" ] 
+then
+	USER=jdownloader
+	useradd -r -s /bin/false -u $UID -g $GROUP $USER
+	chown -R $USER:$GROUP /opt/JDownloader
+else
+	USER=root
+fi
+
 trap stopJD2 EXIT
 
-java -Djava.awt.headless=true -jar /opt/JDownloader/JDownloader.jar &
+su -c "java -Djava.awt.headless=true -jar /opt/JDownloader/JDownloader.jar" -s /bin/bash $USER
 
-while true; do
-	sleep inf
-done
+#java -Djava.awt.headless=true -jar /opt/JDownloader/JDownloader.jar &
+
+#while true; do
+#	sleep inf
+#done