https://medium.com/@nwoyesamuelc/infrastructure-as-code-the-new-normal-851427d11fbb

An acquaintance rightly advised that while one may understand complex subjects, they must always strive to be clear and precise conveying same to another. For this walk-through we aimed to keep it simple, short and succinct.

Up until now operators, system administrator, and site reliability engineers carry out their tasks clicking through a graphical user interface or writing some scripts on the fly. Why always do the same thing prone to human error going through a procedure that could be automated? Tasks such as creating a repository, adding a new user, provisioning or configuring a server are processes that could be codified — and are reusable and reproducible.