We've all got legacy applications, and fear the daunting task of modernizing them. Let alone trying to leverage the modern way of going API first. But it's not as futile as you might think. With modern microframeworks geared toward middleware it can be a breeze.
OK, now the truth: It is a terribly difficult job, and rife with pitfalls. But I will share how to do it in a step-by-step method that makes it much more approachable, and enable you to be a super hero.