This SDK is for Ruby developers working with Docker's Remote API. Use this Gem to access Docker's distributed app development tools. See the project page for code samples for making global calls, using SSL, managing images, working with containers, and more. This SDK is meant to work with API v1.3.
How to become a better programmer is a tough question to answer, as it is largely subjective. However, becoming a complete programmer involves building experience across a range of development tasks, including algorithms, data structure and OOPS, to name a few, over many years.