ruby rake bundler curl libpq-dev ruby-dev \
libcurl4-openssl-dev libssl-dev zlib1g-dev libpcre3-dev \
openssh-server python-setuptools netcat-traditional \
- python-epydoc graphviz bzip2 less sudo
+ python-epydoc graphviz bzip2 less sudo virtualenv
RUN DEBIAN_FRONTEND=noninteractive apt-get -yq --no-install-recommends install \
libpython-dev fuse libfuse-dev python-pip python-yaml \