There are a number of things you need to know after your service goes to Production. The most simple and important one: is it working? And if it's not, where is the problem? Since these questions apply to all the services in your ecosystem and how they interact with each other, you might want to know this quickly and easily. But, more importantly, you want to design & implement this in a simple and secure way.

In this talk, I'm going to talk about real-life examples that made us realize why this is important. And some of the tools we are using (and building) to know this real-time.