Restructured some things and made 1000:100 the default user. Added debian base image, tests and update README.md

Dockerfile

@@ -1,23 +0,0 @@
-FROM openjdk:8-jre-alpine
-
-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/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 && \
-	apk add --update ffmpeg
-
-# Beta sevenzipbindings
-COPY sevenzip* /opt/JDownloader/
-
-COPY startJD2.sh /opt/JDownloader/
-RUN chmod +x /opt/JDownloader/startJD2.sh
-
-
-ENTRYPOINT ["/sbin/tini", "-g", "--", "/opt/JDownloader/startJD2.sh"]
-# Run this when the container is started
-CMD ["java", "-Djava.awt.headless=true", "-jar", "/opt/JDownloader/JDownloader.jar"]

README.md

@@ -36,7 +36,7 @@ Headless JDownloader 2 Docker Container
 ## 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.|
+|UID|Specifies the UID the daemon should run as. All created files will be owned by this UID. Defaults to 1000.|
-|GID|Specifies the GID for all created files. This only works in combination with the UID. Defaults to 0 for root.|
+|GID|Specifies the GID for all created files. This only works in combination with the UID. Defaults to 100 for users.|
 
-Not setting these will default to root:root. If you are required to set all environment varibles, setting these to 0 will fall back to the default.
+Not setting these will default to 1000:100.

alpine.Dockerfile

@@ -0,0 +1,19 @@
+FROM openjdk:8-jre-alpine
+
+MAINTAINER PlusMinus <piddlpiddl@gmail.com>
+
+# Create directory, and start JD2 for the initial update and creation of config files.
+RUN apk update && apk upgrade && \
+    apk add --no-cache --quiet tini su-exec shadow ffmpeg && \
+    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
+
+# Beta sevenzipbindings and entrypoint
+COPY common/* /opt/JDownloader/
+RUN chmod +x /opt/JDownloader/entrypoint.sh
+
+
+ENTRYPOINT ["tini", "-g", "--", "/opt/JDownloader/entrypoint.sh"]
+# Run this when the container is started
+CMD ["java", "-Djava.awt.headless=true", "-jar", "/opt/JDownloader/JDownloader.jar"]

build-n-test.sh

@@ -0,0 +1,21 @@
+#!/bin/sh
+set -e
+
+images=('alpine' 'debian')
+
+if [ "$(docker version --format '{{.Server.Experimental}}')" = 'true' ]; then
+    export DOCKER_BUILDKIT=1
+fi
+
+
+for image in "${images[@]}"; do
+    tag="jd2dev:${image}"
+    
+    echo "Building $tag"
+    docker build -t $tag -f $image.Dockerfile .
+
+    echo "Testing image"
+    dgoss run $tag
+done
+
+

common/entrypoint.sh

@@ -0,0 +1,32 @@
+#!/bin/sh
+
+# Set defaults for uid and gid to not be root
+if [ -n $GID ]; then GID=100;  fi
+if [ -n $UID ]; then UID=1000; fi
+
+if [ "$GID" -ne "0" ]; then
+	GROUP=jdownloader
+	groupadd -g $GID $GROUP
+else
+	GROUP=root
+fi
+
+if [ "$UID" -ne "0" ]; then
+    USER=jdownloader
+
+    # Create user without home (-M) and remove login shell
+    useradd -M -s /bin/false -g $GID -u $UID $USER
+else
+    USER=root
+    usermod -ag $GID
+fi
+
+chown -R $UID:$GID /opt/JDownloader
+
+# Sometimes this gets deleted. Just copy it every time.
+cp /opt/JDownloader/sevenzip* /opt/JDownloader/libs/
+
+su-exec ${UID}:${GID} "$@"
+
+# Keep container alive when jd2 restarts
+while sleep 3600; do :; done

debian.Dockerfile

@@ -0,0 +1,23 @@
+FROM openjdk:11-jre-slim-sid
+
+MAINTAINER PlusMinus <piddlpiddl@gmail.com>
+
+# Create directory, and start JD2 for the initial update and creation of config files.
+RUN apt-get update && apt-get dist-upgrade -yqq && \
+	apt-get install -yqq tini ffmpeg wget make gcc && \	
+	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 && \
+	mkdir -p /tmp/ && \
+	wget -O /tmp/su-exec.tar.gz https://github.com/ncopa/su-exec/archive/v0.2.tar.gz && \
+	cd /tmp/ && tar -xf su-exec.tar.gz && cd su-exec-0.2 && make && cp su-exec /usr/bin &&\
+	apt-get purge -yqq wget make gcc && apt-get autoremove -yqq && cd / && rm -rf tmp
+
+# Beta sevenzipbindings and entrypoint
+COPY common/* /opt/JDownloader/
+RUN chmod +x /opt/JDownloader/entrypoint.sh
+
+
+ENTRYPOINT ["tini", "-g", "--", "/opt/JDownloader/entrypoint.sh"]
+# Run this when the container is started
+CMD ["java", "-Djava.awt.headless=true", "-jar", "/opt/JDownloader/JDownloader.jar"]

goss.yaml

@@ -0,0 +1,28 @@
+file:
+  /opt/JDownloader/JDownloader.jar:
+    exists: true
+    mode: "0644"
+    filetype: file
+    contains: []
+  /opt/JDownloader/sevenzipjbinding1509.jar:
+    exists: true
+    mode: "0644"
+    filetype: file
+    contains: []
+  /opt/JDownloader/sevenzipjbinding1509Linux.jar:
+    exists: true
+    mode: "0644"
+    filetype: file
+    contains: []
+package:
+  ffmpeg:
+    installed: true
+user:
+  jdownloader:
+    exists: true
+    uid: 1000
+    gid: 100
+    groups:
+    - users
+    home: []
+    shell: /bin/false

startJD2.sh

@@ -1,28 +0,0 @@
-#!/bin/bash
-
-if [ "$GID" ] && [ "$GID" -ne "0" ]
-then
-	GROUP=jdownloader
-	addgroup -g $GID $GROUP
-else
-	GROUP=root
-fi
-
-if [ "$UID" ] && [ "$UID" -ne "0" ]
-then
-	USER=jdownloader
-	adduser -S -D -s /bin/false -u $UID $USER
-else
-	USER=root
-fi
-
-adduser -G $GROUP $USER
-chown -R $USER:$GROUP /opt/JDownloader
-
-# 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