Thanks to the following resources:
- https://github.com/datawrapper/datawrapper/wiki/Installing-Datawrapper
- https://github.com/washingtonpost/datawrapper#installation-instructions
- https://www.digitalocean.com/community/tutorials/how-to-install-linux-apache-mysql-php-lamp-stack-on-ubuntu-14-04
- https://www.digitalocean.com/community/tutorials/how-to-install-node-js-on-an-ubuntu-14-04-server