A docker container including Chrome, Firefox, Node 6 and a dummy xserver for
running browsers. I use this to run karma tests against Firefox and Chrome
in a container.
Comes from this Dockerfile: https://github.com/rayd/docker-nodejs-firefox-chrome
lastest tag still points to a version of this container running Xvfb and Node 5. The
node6 tag points to the Node 6 + xserver version.
To initialize the xserver:
Inside the container run