Plank is meant to be the simplest dock on the planet.
Source Plank Launchpad https://launchpad.net/plank/+milestone/0.8.0
The goal is to provide just what a dock needs and absolutely nothing more. It is, however, a library which can be extended to create other dock programs with more advanced features.
The developer has added the possibility to config Plank through a settings dialog box without the need to use third-party tools.
To install Plank Dock just run the following commands via your systems Terminal.
sudo add-apt-repository -y ppa:ricotz/docky
sudo apt-get update
sudo apt-get install plank
That's it please enjoy your installation.