When you're starting off, it is better to learn a lot about codedamn labs since it has a slight learning curve. Once you have setup your first few labs and courses, you'll be able to do more in no time.

Here is a 1-hour crash course (broken down by chapter) to get you familiar with the full architecture. The recommended way to watch it is at 1.5x-2x speed, with pausing and going back at parts that seems confusing.