anchor.diff:  # Definition
   	# Set environment variables for docker and entrypoint
       ENV TEAMSPEAK_VERSION="3.0.11.4" \
  -     && TEAMSPEAK_SHA1="09e7fc2cb5dddf84f3356ddd555ad361f5854321" \
  -	 && TEAMSPEAK_DATA_FOLDER="/teamspeak3/"
  +     TEAMSPEAK_SHA1="09e7fc2cb5dddf84f3356ddd555ad361f5854321" \
  +	 TEAMSPEAK_DATA_FOLDER="/teamspeak3/"
   	
       VOLUME [${TEAMSPEAK_DATA_FOLDER}]
   	
  
positive.code: 
  # Logic
      # Add user and group
      RUN groupadd -r teamspeak3
       && useradd -r -g teamspeak3 teamspeak3
  
      #Install wget
  
negative.code:      && rm -r /var/lib/apt/lists/*
  
      # Download TS3 file and extract it into /opt.
  	WORKDIR /opt/
      RUN wget -O teamspeak3-server_linux-amd64.tar.gz http://dl.4players.de/ts/releases/${TEAMSPEAK_VERSION}/teamspeak3-server_linux-amd64-${TEAMSPEAK_VERSION}.tar.gz \
       && echo "${TEAMSPEAK_SHA1} teamspeak3-server_linux-amd64.tar.gz" | sha1sum -c - \
       && tar -C /opt -xzf teamspeak3-server_linux-amd64.tar.gz \
       && rm teamspeak3-server_linux-amd64.tar.gz
  
  