Everything in life eventually comes to an end, including life itself. This is
not that kind of post, though.
Microservices is the new fancy way of doing applications. Yet, most
companies still have big and old monoliths in production. In fast evolving
software of this size, it’s usual to have lines of code which are never
executed in production. Production code coverage reports can help
us find those lines.
At ContaAzul, we use the CI infrastructure a lot. We open
several pull requests in several projects every day, and we block the merge
until the build pass. We consider our
master branches are sacred, and
we can’t afford too much waiting to change them.
At ContaAzul, we have several old pieces of code that are still running
in production. We are committed to gradually re-implement them in better ways.
As a DevOps/SRE, I spent a reasonable amount of time dealing with metrics