anchor.diff:  RUN sed -i "s#deb http://deb.debian.org/debian buster main#deb http://deb.debian.org/debian buster main non-free#g" /etc/apt/sources.list \
           && sed -i "s#deb http://deb.debian.org/debian buster-updates main#deb http://deb.debian.org/debian buster-updates main non-free#g" /etc/apt/sources.list \
           && apt-get update \ 
  -        && apt-get install -qy unrar sudo \
  +        && apt-get install -qy unrar sudo ffmpeg \
           && rm -rf /var/lib/apt/lists/*
   
   ###-----
  
positive.code: VOLUME [ "/home/jdownloader/Downloads" ]
  VOLUME [ "/opt/jdownloader2/cfg" ]
  RUN chown -R jdownloader:jdownloader /opt/jdownloader2
  CMD ["/bin/bash","run-endless.sh"]
negative.code: FROM openjdk:11-slim
  
  ARG VERSION="2.2.0"
  LABEL maintainer="maak.daniel@gmail.com" \
          version=${VERSION}} \
          description="Dockerimage for JDownloader2 in Headless mode"
  