This page contains my notes on things I needed to do to get the mailman-bundler to run on ubuntu 14.04 in docker.
Install some prerequisites in Python:
apt-get update apt-get install bzr python3-dev python3-pip python-dev python-pip python-virtualenv
Set up nodejs, the node package manager, and
apt-get install nodejs npm npm install -g less ln -s /usr/bin/nodejs /usr/bin/node
(The last part is because there is a name conflict with 'node' so the 'node' command is named 'nodejs' you need a symlink somewhere from node to /usr/bin/nodejs. MAS)