Discipline is based on practice and Habit. You know how to drive or ride a bike, right? You didn't get those skills in a day, but now you probably rarely have

Discipline is based on practice and Habit. You know how to drive or ride a bike, right? You didn't get those skills in a day, but now you probably rarely have to think about them. Try your best each day. Resolve to do better the next day. It may be helpful to quantify this somehow (git commit's maybe, even if you are just updating a notes section about the technology) so that you can measure how much you are doing. Try to work on it every day, to build the habit. Try to notice when you are distracted. Reward yourself for little victories. You can try Pomodoro techniques to break up the day, if that helps. Keep trying, and the discipline will come.