Many programmers tend to believe, that sticking to the particular technology of their choice while being reluctant to the other pieces of a rather complex process of providing a completed application is not their concern. DevOps, infrastructural concerns, cloud computing and so on – we got other teams able to do that, correct? Well, even if you do, you’re missing a huge piece of the knowledge that could save your day at some point in the future. Let me briefly present my point of view on the given subject.