anchor.diff:  # Use phusion/baseimage as base image
  -FROM phusion/baseimage:latest
  +FROM phusion/baseimage:0.9.18
   
   # Set environment variables the phusion way
   RUN echo en_US.UTF-8 > /etc/container_environment/LANGUAGE
  
positive.code: 	make install && \
  	rm /home/docker/programs/hmmer-3.1b2.tar.gz && \
  	rm -rf /home/docker/programs/hmmer-3.1b2
  
  # Install Pipelign
  RUN cd /home/docker/programs && \
  	git clone http://github.com/asmmhossain/pipelign.git && \
  	cd pipelign && \
  	chmod +x ./Pipelign.py && \
  	cp ./Pipelign.py /usr/local/bin && \
  	rm -rf /home/docker/programs/pipelign
  
  # Clean up APT when done.
  RUN apt-get clean && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
  
  VOLUME ["/home/docker"]
  
negative.code: # Install the recent pip release
  RUN curl -O https://bootstrap.pypa.io/get-pip.py && \
  	python3 get-pip.py && \
  	rm get-pip.py	
  
  # Install numpy
  RUN pip3 install numpy
  
  # Install Biopython
  RUN pip3 install biopython
  
  # Install CD-HIT
  